Detailed guides to painful problems, treatments & more

A Rational Guide to Fibromyalgia

The science of the mysterious disease of pain, exhaustion, and mental fog

Paul Ingraham • 90m read

“Fibromyalgia” is basically widespread chronic pain without a known cause, the ultimate non-diagnosis. Some people will eventually discover a specific cause — there are many surprising causes of pain that can get overlooked for years at a time — but many never find out what’s going on.

More precisely now: fibromyalgia is a label for a pattern of unexplained stubborn chronic pain,1 stiffness, fatigue, and mental fog. It often goes with conditions like irritable bowel syndrome, migraines, and mood disorders. About 1–2% of the population suffer from this.2 Some people do get better, but most do not.

Controversy, stigma, and quackery swirl around fibromyalgia like a bad smell. It is often not diagnosed when it should be, and even more often these days it is diagnosed when it shouldn’t be.3 No medical speciality specializes in it. Rheumatologists and neurologists often get “stuck” with fibromyalgia patients, but have no idea what to do with them unless they’ve taken a special interest in the topic, and few do. There is no medical consensus on how fibromyalgia should be treated,4 and no one should feel bad about not knowing how to manage it: it’s literally one of the hardest problems in medicine. Alternative medicine has rushed into the medical gap with a dizzying array of crackpot cures.

The biology of fibromyalgia remains a mystery. There are intriguing theories only. Many professionals still assume it’s a psychogenic problem (much like migraines were until surprisingly recently). Many others now believe that fibromyalgia is a disease of neurological sensitization — an overactive alarm system — but this is unproven and awkwardly at odds with some of what we do know about the condition. It’s likely that there are multiple causes. We just don’t know what’s going on with these patients, even though fibromyalgia research is booming — because a large percentage of it is worthless.

Here’s a solid 1-minute video primer on fibromyalgia from One-Minute Medical School:

Classic fibromyalgia symptoms

Many fibromyalgia symptoms are maddeningly non-specific: that is, they could be the symptoms of practically anything… or nothing. Headaches are the single most common pain complaint, but most have no specific cause. Most diseases cause fatigue! And pain is the most basic response to biological adversity that there is. And every other person you pass on the street is depressed, anxious, insomniac, or all of the above. It’s almost like fibromyalgia’s symptoms are just a list of the most common sufferings of humanity. It’s only when they cluster and persist — a strong, stubborn pattern dominated by pain — that the idea of fibromyalgia should be taken seriously.

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“Fibromyalgia” is a medical UFO: the diagnosis is descriptive, not explanatory

Fibromyalgia is not an explanatory diagnosis. It sheds no light on the nature of the beast; it’s just a label for a distinctive but unexplained pattern of symptoms. It doesn’t “explain” the condition any more than “unidentified flying object” explains a mysterious object in the sky. Seeing a UFO doesn’t mean you have seen a vehicle piloted by aliens, and a “diagnosis” of fibromyalgia doesn’t imply any specific cause either: it’s just the word we use to describe feeling a certain way, badly enough, for long enough. Two cases of fibromyalgia might have completely different causes, for all we know.

Thanks to this confusion, patients usually think the diagnosis is more meaningful than it is. Here’s a glaring example: “Finally, in 1998, McCullough was diagnosed with fibromyalgia, a condition that had only been given a name a decade before. After seven long years, she finally knew what was wrong.”6 But she knew no such thing; she had been labelled and classified as a patient, that’s all.

Medically unexplained symptoms (MUS) are the UFOs of medicine, and every case of fibromyalgia involves several of them: a small flock of MUS. You could define fibromyalgia for a doctor by saying “it’s a case of MUS dominated by pain.” Calling it fibromyalgia might make it seem like something more specific, but it’s not: it’s still just a bunch of unexplained symptoms.

A UFO technically refers to an unexplained phenomenon, but there’s a popular suspicion about what’s really going on: aliens! In the same way, MUS are also unexplained by definition, and yet there’s still a popular, bogus belief about what’s really going on: psychosomatic! Others understand that there’s probably a better explanation:

Clearly there are many patients who have chronic diffuse pain, fatigue, poor sleep, and other comorbidities. These symptoms often take a great toll on quality of life. Nothing in the scientific discussion about fibromyalgia as a diagnosis calls into question these symptoms. The question is entirely about how we understand the possible cause or causes of these symptoms in order to guide our treatment and research.

Neurologist Dr. Steven Novella, “Is Fibromyalgia Real?

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An avalanche of useless fibromyalgia research

Dr. Fred Wolfe is as expert as a fibromyalgia expert can get: he’s largely responsible for the official diagnostic criteria for fibromyalgia (the original in 19907 and then the important revisions in 2010, 2011, and 20168910 which, in a nutshell, ditched “tender points,” factored in symptom severity, and eliminated exclusion criteria).

Since 2013, Dr. Wolfe has been blogging erratically but superbly, and in this short post he explains (with snark!) how fibromyalgia is being buried by an avalanche of crappy, useless research. (And you could substitute nearly any other difficult or controversial condition, like “trigger points” for instance.)

PubMed reports 659 publications in the last 12 months relating to fibromyalgia. For those who are interested, there are 9,366 articles listed in all the years that data are available. For 1990, the year the American College of Rheumatology 1990 fibromyalgia criteria were published, PubMed cites 95 articles. If you think that after all these years of research you and your patients are much better off, think again. A kind, conscientious physician treating a fibromyalgia patient in 1980 or 1990 will have done as well as the 2016 health workers with access to all of these new publications and expensive if not very efficacious medications.

This is important to bear in mind for the rest of the article. There is very little solid scientific ground in this topic, and that will be most obvious with big meta-analyses of fibromyalgia treatments like Mascarenhas et al, a spectacular case of “garbage in, garbage out” analysis: 220 studies of almost 30,000 people… mostly too junky to prove anything.11

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Part 2

Nature of the beast

Types of pain and where fibromyalgia fits in (or doesn’t)

There are two main categories of pain: nociceptive and neuropathic. Fibromyalgia doesn’t seem to fit well into either. The most familiar kind of pain is nociceptive, caused by damage to tissues and reported to the brain for assessment. When the reporting system itself is damaged — a pinched nerve, say — you get neuropathic pain.

Two kinds of damage, two kinds of pain.

Fibromyalgia is something else, a third category, a dysfunction. It involves no confirmed damage to the nervous system, just its apparent misbehaviour, and so it’s not welcome at the neuropathy club. It was before 2011! But the definition of neuropathy changed to officially exclude anything that didn’t involve a known lesion.12

Maybe there are unknown lesions? Maybe someday we’ll know that fibromyalgia is caused by some kind of subtle damage to the nervous system.13 There are at least two theories about subtle lesions of this type.14 That would make it just another neuropathy after all, ho hum.

But for now it’s still more plausible that it’s a dysfunction, arising from widespread problems in a complex system, probably at least partially heritable,15 and so no definite and specific point of failure will ever be discovered.1617 But who knows. Science is not finished with fibromyalgia. Hell, it’s hardly begun.

Meanwhile, what do we call it? And other miserable pain problems (complex regional pain syndrome, irritable bowel syndrome) that arise from neurological dysfunction? No one has decided. File under “other.” I personally favour “algopathic” pain: pathological perception/sensation.18 It’s the Greek way to say “pain disease.” For more naming possibilities, see The 3 Basic Types of Pain.

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What about “central sensitization”?

Fibromyalgia involves a lot of sensory over-reaction to stimuli: more pain with less provocation, known as sensitization. This sensitivity is due to changes in the central nervous system, in the spinal cord and brain. So, sensitization.

Some patients even feel pain when touched softly, a terrible thing. Fibromyalgia is hell. (See “allodynia.)

It has become trendy lately to “explain” fibromyalgia with central sensitization, or to claim that central sensitization is the primary mechanism. CS clearly occurs in fibromyalgia, but it doesn’t explain it, any more than arterial plaques “explain” heart disease. It’s just a more precise description. Even if fibromyalgia is 90% CS, you still need to explain that, which is just as hard a puzzle as why someone would get fibromyalgia. Why would someone get terrible central sensitization? It’s practically the same question.

There’s also plenty going on in fibromyalgia that is not explained by central sensitization (like fatigue and mental fog, for starters).

Inflammation as a driver of sensitization

Maybe it’s the constant irritation of systemic inflammation, though. I think that might get me feeling mighty sensitive.

Fibromyalgia patients do seem to be on fire a little bit: in 2017, Bäckryd et al studied inflammatory markers in fibromyalgia patients in much greater detail than ever before, and identified an “extensive inflammatory profile.”19 It’s conceivable that this is caused by sensitization, but it’s more likely that being constantly inflamed all over for a long time turns people into wrecks of sensitization.

If fibromyalgia patients are more inflamed than sensitized, that doesn’t really help us all that much, because we still don’t know why people get so inflamed in the first place — it’s just another puzzle, like the sensitization. But it does feel a little less bizarre than a malfunction consisting of “pure” sensitization. Bäckryd et al write:

Fibromyalgia seems to be characterized by objective biochemical alterations, and the lingering characterization of its mechanisms as essentially idiopathic or even psychogenic should be seen as definitively outdated.

But they don’t attempt an explanation of the inflammation they found.

I’ll return to the topic of inflammation below when I discuss my own “inflammaging” hypothesis.



Whenever something painful happens to me, amid all the distress I am surprised at being reminded of how painful pain is. That thought is always followed by another, “What if I hurt like this all the time?” Chronic pain syndromes are extraordinarily debilitating.

Why Zebras Don’t Get Ulcers, by Robert M Sapolsky, p. 396



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Is fibromyalgia a “diagnosis of exclusion” or “wastebasket diagnosis”?

Fibromyalgia is still routinely called a “diagnosis of exclusion.” That is technically wrong, but also a seed of truth in a practice-vs-theory way, and it’s useful to break that down.

Fibromyalgia is officially a criteria-based diagnosis these days — that is, specific features are required for diagnosis. In practice, however, it is often still treated like a diagnosis of exclusion,usually suggested only when most other possibilities have been eliminated.

What’s the problem with that? Fibromyalgia can and does co-exist with the similar conditions that are often eliminated before diagnosis (e.g. rheumatoid arthritis). And so it would be a serious mistake to consider fibromyalgia only in their absence.

But exclusion still has a role to play for good reasons, or still plays one for bad reasons. Right up until 2016, some of the diagnostic criteria were still official “exclusion criteria” — that is, the diagnosis required some exclusions of other conditions. Head spinning? Not just yours! This was a tad confusing even for the pros, and so the 2016 revision eliminated “the previously confusing recommendation regarding diagnostic exclusions.”20 Thing is, you cannot entirely eliminate exclusion criteria from the clinical context without throwing some baby out with your diagnostic bathwater. As Wolfe et al. also wrote (my emphasis), “Criteria are to be used after diagnostic possibilities have been narrowed through medical evaluation….” And here’s a good take from Galvez-Sánchez et al:21

The need to exclude other related diseases and perform a differential diagnosis has been a somewhat contentious issue with respect to the 2010 ACR criteria. … The strength of the 2016 criteria is the elimination of the previous, confusing recommendations related to diagnostic exclusion. In the 2016 criteria, a diagnosis of FMS does not exclude the presence of other clinically important illnesses.

… in spite of the previous recommendation, the diagnosis of FMS continues to be fundamentally based on the exclusion of other similar diseases in the clinical context.

Clear as mud, right? The basic problem here is that “diagnosis of exclusion” is not actually a well defined term.22 There is actually quite a bit of messy overlap between “criteria-based diagnosis” and “diagnosis of exclusion” in the real world.

And then there’s “wastebasket diagnosis,” an even looser term, defined by non-medical motives for a careless/ignorant diagnosis of exclusion. At best, it’s a diagnosis given as a pacifier, a kind of diagnostic placebo. At worst, it’s a way to create the appearance of a diagnosis, and perhaps justify passing the buck to another physician. It’s the diagnostic equivalent of pretending to throw a ball for a dog: “Go get it, boy!”

Sadly, “fibromyalgia” is constantly diagnosed this way in the real world.

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Conditions that may be confused with fibromyalgia

Practically everything that can go wrong with human biology seems to be able to cause any of the classic non-specific symptoms that define fibromyalgia. Many people troubleshooting health problems have bitterly made the observation that “everything causes everything.” Nearly any symptom can and will occur in at least some people as an atypical variation of nearly any disease.

So this is tricky! But here are some of the conditions that are the most likely to masquerade as fibromyalgia for long periods.

Fibromyalgia can be confused with almost any condition that corrodes your vitality or causes weird aches and pains (which is quite a huge list), but without other obvious signs/symptoms that would expose them for what they really are (which is mercifully shorter).

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The particularly tricky relationship between fibromyalgia and myofascial pain syndrome

They may be related but distinct. Or it may be a word game: different words for different aspects of the same thing. But they are almost certainly not exactly the same thing.

Like fibromyalgia, “trigger points” is another label for a poorly understood phenomenon: sore spots in muscles, which sometimes feel like hard lumps. They are probably little micro cramps, small lesions in muscle tissue,25 as common and unpleasant as pimples (and sometimes a lot worse). When people seem to have many and severe trigger points, another arbitrary diagnostic label is often applied: “myofascial pain syndrome,” which is yet another way of saying “chronic pain syndrome,” but this name implies a soft tissue origin.

Severe MPS and mild fibromyalgia are nearly impossible to tell apart. Trigger points and MPS may just be the tip of the fibromyalgia iceberg, or they may be different things with similar symptoms. No one knows.

Most people with fibromyalgia seem to have more than their fair share of trigger points, but it’s hard to tell because people with fibromyalgia tend to be sore everywhere. And yet many people with trigger points would never be diagnosed with fibromyalgia. Robust, healthy people can have temporary trouble with a trigger point.

Tender points vs. trigger points

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Positional cervical cord compression and fibromyalgia

One of the most interesting ideas to emerge from the fibromyalgia research mess is the possibility that the pain is caused by a subtle pinching of the spinal cord, a form of myelopathy — symptoms caused by poor spinal cord function. The cervical spinal cord is a neurological bottleneck through which every nerve impulse from or to the body must pass. Symptoms caused by trouble at this level of the spinal cord are notoriously variable and can cause trouble essentially anywhere, such as — and this is not widely appreciated — shooting pains in the backs of the legs (sciatica).27

As all over the map as they are, there’s a suspicious overlap between the symptoms of myelopathy and fibromyalgia. Many fibromyalgia patients are quite myelopathy-ish, but without enough classic myelopathy symptoms to attract that diagnosis. Could they be related? Could fibromyalgia be a sub-category of myelopathy?

This possibility was first exposed in a 2004 paper by Heffez et al,28 and then substantiated in a follow-up study in which they successfully treated 40 fibromyalgia patients by surgically relieving the pressure on their spinal cords.29 This research has virtually been ignored by everyone except Dr. Andrew Holman. His 2008 replication study showed that minor spinal cord pinching was present in a shockingly high percentage of patients with fibromyalgia and chronic widespread pain: about seventy percent of them.30 Specifically, he reported positional cervical cord compression (PC3), which is pinching of the spinal cord that occurs only or mainly in specific positions (mostly with the head tilted back).

And treating PC3 seems to show some promise for treating fibromyalgia. (There’s a whole section about treating PC3 below.)

Unfortunately, conventional MRI images, taken with the neck in a neutral position, will miss a lot of PC3 — at least half.31 Neurologists who would otherwise be interested in fibromyalgia patients may dismiss them because their myelopathy-like symptoms can’t be explained by a neutral MRI that does not reveal the PC3.

The implication of all this is that erratic low-grade irritation of the cervical spinal cord could actually be the direct, specific, and mechanical cause of fibromyalgia (possibly not the only cause, but a major one). It’s a dramatic and sensational hypothesis, but it’s not outrageous. We already know that myelopathy is spooky and unpredictable and often involves widespread pain. We also know that intermittent compression of nerves causes different kinds of symptoms in the peripheral nervous system than constant pressure, so it’s not much of a reach to suppose the central nervous system also responds a differently: an atypical, subtle myelopathy, caused by pinching that’s invisible to all but the most thorough MRI examination … a diagnostic technology that is notoriously unreliable!32

It would hardly be a shock if such a thing had been missed until now.

And then there’s the “autonomic arousal” thing!

There’s one final mind-blowing piece of the PC3 puzzle: irritation of the cervical spinal cord may have unusual properties, different from other parts of the spinal cord. Specifically, PC3 may cause strong arousal of the autonomic nervous system … the same effect as severe chronic stress.

If that is the case, the implications would be astonishing: it would simultaneously provide an organic explanation for many cases of fibromyalgia and support the idea that the disease can also be caused by external stresses. That is an awfully potent explanation for a whole lot.

This suggests that stress could be the underlying mechanism of fibromyalgia — but it can be either life stresses, or “artificial” stress caused by a messed up spine. •mind blown•

All unproven. All needs more research. But there’s a lot of veeery interesting smoke here. There's even evidence of a similar link with chronic fatigue syndrome!33 And speaking of CFS.…

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The fatigue connection: is fibromyalgia just CFS/ME with extra pain?

Chronic fatigue syndrome (CFS), myalgic encephalomyelitis (ME), and fibromyalgia all often get conceptually tangled up. Many people have speculated — people who don’t know better — that fibromyalgia is just CFS/ME with pain as a more prominent symptom. The confusion is understandable, but it needs to be crushed.

Let’s start by distinguishing ME and CFS. Although their acronyms are routinely paired (ME/CFS), that really pisses off a lot of experts and patients.34 They get confused because ME can cause severe chronic fatigue, but they are not the same thing. Myalgic encephalomyelitis is a disease, not a diagnosis of exclusion — a wastebasket diagnosis — like chronic fatigue syndrome and fibromyalgia are. And yet they have a long history of being lumped in together.

And myalgic encephalomyelitis isn’t fibromyalgia either, despite some similarities.

Fibromyalgia can be terrible, but ME is worse, even lethal.35 It’s a systemic neurological disease initiated by a viral infection; it occurs in epidemics and acts like an infection, while fibromyalgia does not. It causes measurable damage to brains, spinal cords, and organs, often disabling both mind and body. If all tests are normal — which is par for the course with fibromyalgia — it can’t be ME.

The similarities between the two illnesses are minimal & superficial at best but their differences are truly profound.

Jodi Bassett, “M.E. vs Fibromyalgia

Fatigue is the shared symptom of both conditions that leads people to suspect that they might have ME instead of FM, or their FM might actually be ME. But while ME is notorious for causing fatigue, it doesn’t always do that. And there’s a crucial difference between the “tiredness” and “brain fog” of fibromyalgia and the cardinal, required symptom of ME, which is exercise intolerance that causes severe weakness and malaise. Most people with ME feel disabled by almost any activity, their brains suffer objective “neural consequences,”36 and exercise therapy infamously backfires37 — a problem finally “officially” acknowledged in late 2020, after hard campaigning by patient activists.38

But many or most fibromyalgia patients actually benefit from exercise (more coming on this below, of course).

ME patients would love to be merely fatigued and bleary.

Some patients diagnosed with fibromyalgia and/or CFS are probably undiagnosed ME patients. However, most are probably suffering from chronic fatigue/pain with other causes (like myelopathy, as mentioned at the end of the last section).

To sum up:

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A genetic defect that exaggerates all sensation is closely linked to fibromyalgia

There’s a respectable chance that chronic widespread pain patients can be identified by their genes alone. It has been clear for years that chronic pain patients are probably genetically distinctive. We recently got much stronger evidence of that from the largest study of the genetics of chronic pain patients to date, which found 76 genes that are independent risk factors for multisite chronic pain.39

But “it might be your genes” is vague and inevitable science news. Things get more interesting with the discovery that a DNA blooper can mess you up in a specific painful way. And so I think this might be the most interesting pain science of the year so far: chronic pain may be caused by a common genetic defect leading to low levels of the neurotransmitter serotonin.40

A common genetic defect, mind you. Not rare. At ten percent of the population, it’s about five times more common than red hair.

The study was trolling for genetic common denominators in people with a certain kind of chronic pain. They started with data on people suffering from chronic jaw pain. In that big group, they flagged some for further study: several dozen people who also suffered from excessive body sensations (“somatic awareness”). And they found that those people were all running on serotonin fumes.41

Patients with unexplained chronic widespread pain are notorious for having many, many other odd complaints — uncomfortably strong sensations of all kinds. Indeed, the pain often just seems to be the tip of an iceberg of abnormal sensations. All of these feelings in a body are high-potency hypochondria fuel that can really freak people out, which is probably why such patients often seem like “drama queens” and are considered “difficult.” Amped up somatic awareness is a bizarre phenomenon. It’s hard for anyone — patients and pros alike — to believe that there is an obscure organic cause for totally indiscriminate sensory excess. And that is why the phenomenon of somatic awareness has always been widely regarded as psychosomatic, driven by psychological hypervigilance, and a prominent feature of the so-called “fibromyalgia personality.”

Unsurprisingly, this rather unflattering interpretation is probably wrong, and people with heighted somatic awareness are probably not difficult drama queens. Or another way of putting it: maybe they are, but they obviously have a good reason for it. Everyone alive has, at times, gotten unpleasantly fixated on an uncomfortable sensation, but try to imagine that happening much more often and more intensely than it “should.” See how calm you are.

So how do you know if you have this gene?

If you’ve always suspected that you feel things strongly, you already have a good clue. The researchers identified members of this club with a quiz only slightly more sophisticated that a Cosmopolitan questionnaire: “This 54-question self-test measures people’s tendency to notice and report a broad array of physical symptoms and sensations.” That page is focusing on using that test to identify symptoms of excessive stress and anxiety, but the whole point here is that there may be a genetic explanation for the same thing. Take the test. If you score in the top 25%, there’s a fairly strong chance that you too have the “somatic awareness” gene. And an explanation for your fibromyalgia!

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Some sketchy theories about fibromyalgia

In this section, I’ll quickly dismiss several all-too popular ideas about what causes fibromyalgia:

If you want to see who disagrees and why, the rest of the internet is overflowing with people promoting these theories (and the exploitative cures based on them). But in my opinion this is a rogues' gallery of terrible ideas that barely deserve a mention, let alone a serious discussion.

Can we blame infections and/or vaccinations? It’s particularly popular to point a finger at diseases like hepatitis C, Epstein-Barr virus, parvovirus, and — of course — Lyme disease. These are all probably red herrings, however: “There is no clear-cut evidence of fibromyalgia or chronic widespread pain due to infections or vaccinations, no correlations with persistent infection, and no proven relationship between infection, antimicrobial therapies and pain improvement.”42 I don’t think it’s possible to completely rule out infections — microorganisms keeping turning up where we didn’t expect them — but if fibromyalgia is related to an infection, it’s a completely mysterious one.

How about defective metabolism? Excess phosphate? For many years, a common ingredient in cough syrups — guaifenesin, a chemical derived from a tree — has been prescribed as a natural treatment for fibromyalgia based on the idea that it purges an excess of phosphate, which allegedly accumulates due to [insert unclear metabolic defect]. That is what a skeptic would call an “extraordinary claim”: an overconfident explanation of a notoriously unexplained disease. The “guaifenesin protocol” is popular, but has very little expert support, even from alt-med friendly physicians, and was proven ineffective by its own proponents long ago,43 and fibromyalgia patients do not appear to have excess phosphate in the first place.44

Incidentally, guaifenesin is probably not even an effective cough syrup ingredient. •sad trombone•45 However, it is actually a muscle relaxant as well, and maybe that explains why some fibromyalgia patients are pleased with its effects.

Adrenal fatigue probably does not exist,46 so it is unlikely to be the explanation for fibromyalgia, or a major component of it. AF is supposedly caused by chronic stress and “burnout” of the adrenal glands, causing subtle systemic symptoms even in the absence of measurable deficiencies of the hormones they produce. “Adrenal insufficiency” is the legitimate medical problem of measurable and clinically significant deficiencies of those hormones, which can have many causes — but not “stress.” AF gets blamed for fibromyalgia because fatigue is the primary alleged symptom of AF, and also one of the primary symptoms of fibromyalgia. There could be a link relationship between stress and fibromyalgia, but it’s probably more subtle than burned out glands. There may be good reasons for fibromyalgia patients to reduce stress, but not because their adrenal glands are sputtering like a car low on gas. At best, it’s a simplistic guess about the effects of chronic stress that is currently at odds with the poor quality evidence but has a small chance of being vindicated someday. At worst, it’s dead wrong, but is a great way to sell books to fibromyalgia patients.

The answer to whether ‘adrenal fatigue’ or depletion exists or not may not be simple, but different answers can be offered according to the presence of an underlying disease. However, so far, there is no substantiation to show its existence.

Cadegiani et al, 2016, BMC Endocrine Disorders

A colorful, glowing hand representing the idea of therapeutic touch or reiki.

Please don’t waste your money on aura massage.

An “energy disturbance” is the culprit according to many alternative medicine practitioners. The same practitioners will blame almost anything on disturbed energy, but mysterious problems like fibromyalgia are singled out for special attention. As long as there’s no better explanation available, “energy” remains a contender that many will take seriously, one of the gods of the pathological gaps. It’s the basis for treatment with acupuncture above all, followed in popularity by aura massage: ritualistic movement of the hands through the space around you, a technique ironically called therapeutic “touch” (or the Japanese version, Reiki). It’s all nonsense, debunked ad nauseum for decades now. Acupuncture is ineffective for all pain, never mind complex case of unexplained chronic pain.47 Therapeutic touch practitioners can’t even detect auras in blinded tests.48 All the benefits derived from energy therapies are easily attributed to the good (social) vibes and optimism we get from being cared for and being impressed by healing rituals, a psychological phenomenon.

Repressed emotions is a common variant of the idea that fibromyalgia is caused by stress. It’s not ridiculous to say that stress might be involved in fibromyalgia, but it is ridiculous to blame emotional repression specifically. For instance, “hypno-psychotherapist” Louise Levy attributes fibromyalgia to “suppressed and repressed emotions such as rage, anger, fear, worry, sadness, hurt etc” and boasts that she has “successfully treated many people … to full recovery [sic].”49 Psychiatrist debunker Dr. James Coyne calls it “a pseudoscientific claim lacking in evidence or credibility” and “a throwback to discredited 1950s version of psychosomatic conditions.”50

Avoidance of psychic conflict is a variant of the repressed emotions theory. That’s a distillation of the tortured logic of Dr. John Sarno’s explanation of fibromyalgia as a “musculoskeletal mind-body syndrome” in his 1998 book, The Mindbody Prescription. It’s pretentious psychoanalytic nonsense, full of huge self-serving leaps of logic — but also exceedingly popular, because it suggests that all that stands between you and a cure is a bit of soul-searching and a convenient attitude adjustment. His book sold well and influenced millions. By all means, search your soul, adjust your attitude — just don’t expect it to fix fibromyalgia.

Leaky gut syndrome is a popular but seriously flawed hypothesis that irritating “unnatural” modern foods literally perforate our bowels, so that their contents can seep out into the abdominal cavity and provoke an autoimmune reaction and cause… well, basically any health problem that doesn’t have another definite explanation. The main cure proposed is to eliminate everything from your diet that has ever been considered “irritating” or “unnatural.” The theory is much more full of holes than anyone’s gut, and is one of the most bogus of all common explanations for fibromyalgia. For more about LGS and links to detailed debunking, see my inflammation article.

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Stress and fibromyalgia

It would be utterly negligent to exaggerate the implications of [how many health problems stress causes]. … Everything bad in human health now is not caused by stress, nor is it in our power to cure ourselves of all our worst medical nightmares merely by reducing stress and thinking healthy thoughts full of courage and spirit and love. Would that it were so. And shame on those who would profit from selling this view.

Why Zebras Don’t Get Ulcers, by Robert M Sapolsky, p181

Many people have suggested that chronic stress is an underlying cause of fibromyalgia, or even the underlying cause. It’s important to note that no one has actually proved that stress causes fibromyalgia, but we do know that they are strongly linked and that severe stresses do often precede the disease. For instance, we know that post-traumatic stress disorder and childhood adversity are strong risk factors for developing chronic widespread pain.51 It’s also worth noting that this phenomenon may be more pronounced in women, which might help to explain why women are more likely to have fibromyalgia.52

If stress does cause fibromyalgia, no one knows exactly how it works, but there’s no shortage of possibilities. Some of the ideas already discussed above may simply be a smaller part of this bigger picture. For instance, inflammation may simply be a mechanism by which stress causes trouble.

Theories about how fibromyalgia might be caused by stress range from simplistic crankery like kacked out adrenal glands and repressed emotions on the one hand (both discussed above), to much more cautious-but-expert speculation on the other. The best example of the latter that I know of comes from a 2011 paper by Pamela Lyon, Milton Cohen, and John Quintner,53 summarized in a fairly readable post on FMPerplex.com, “Evolution, Stress and Fibromyalgia.” (Heavy reading, but short and worthwhile.) They suggest that fibromyalgia strongly resembles “sickness behaviour” displayed widely in the animal kingdom, whenever a critter is struggling to adapt biologically to threats and stresses:

When a stress response is prolonged in any organism, for whatever reason, profound changes occur in functioning and behaviour. Chronic SR activation in humans is associated with some of the most medically important diseases in the developed world, including cardio-vascular disease, type 2 diabetes, and metabolic syndrome. … FMS can be seen as a clinical outcome of prolonged activation, or dysregulation of a complex, evolutionarily conserved system designed to defend the organism against threat.

The big question with stress: does it have distinct, measurable biological consequences that can lead to fibromyalgia? It’s not as straightforward as it seems. It seems like a bit of a no-brainer, an easy extrapolation from things like ulcers and heart attacks that are notoriously stress-triggered. But a 2015 study of 2000 Dutch citizens over six years “could not confirm” any biological consequences.54 Their data did affirm the link between having a rough time in life and chronic pain — people who struggle emotionally are definitely at risk of starting to hurt more — but this occurs independently of measurable biological changes.

If stress isn’t not biologically toxic, then why the link? The alternative is that stress puts the “psycho” in psychosomatic illness.

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Hypochondria, psychosomatic illness, and the all-in-your-head problem

The two most common psychosomatic symptoms are fatigue and pain. They are difficult symptoms to assess because they cannot be objectively measured, they can only be described.

It's All in Your Head, by Suzanne O’Sullivan, 8

Hypochondria is medical anxiety, a phobia of pathology. While fear and hypervigilance may erode quality of life, the pure hypochondriac is not suffering from a medical problem — not at first. It’s definitely a mental illness.

But you’re not paranoid if they’re really after you. And we can all learn fear of disease from disease itself. Or, if you were hypochondriac before you got sick, the disease is like gasoline on that fire.

Importantly, many people with fibromyalgia have no obvious fear of pathology. They are not hypochondriacs by definition. They may be appropriately anxious about their health problems, of course, but that’s not hypochondria. Repeat after me:

But it is also possible for the mind to create or exacerbate symptoms without any obvious medical anxiety in the picture. Psychosomatic illness is a real phenomenon, in which subjective suffering — actual symptoms — become acute or prolonged in the absence of pathology or anxiety. It's quite likely that, to some extent, pain can be a learned response, a reflexive behaviour (classical conditioning).55

We know these kinds of things can happen from extreme examples. It is possible for the mind to produce impressively severe symptoms and disabilities that definitely do not have a biological mechanism. Functional neurological disorders (FND, formerly known as “conversion” disorders) are real: people can go blind when there is nothing wrong with their eyes, have seizures without abnormal brain activity, or suffer paralysis with intact nerves.56 Neurologist Dr. Suzanne O’Sullivan describes some excellent examples in this fascinating short lecture:

If such horrors are possible, then surely it is not only possible but downright common for people to make themselves sore all over and weary to the point of disaster. But none of this confirms that fibromyalgia in general, or any specific case, is a psychogenic illness. It only means it’s possible. Only an incurious, ignorant jerk would think it’s the only possibility.

And so apparently lots of healthcare professionals are incurious, ignorant jerks. The words “all in your head” have become notorious because so many physicians are much too quick to assume that fibromyalgia is hypochondriac/psychosomatic in the absence of any other convenient explanation. The words have become a symbol for a lack of medical empathy, humility, and imagination. It’s not so much the psychosomatic diagnosis itself that bothers people with fibromyalgia, it’s the dismissal, the practical effect, the suffocation of further investigation that crushes the hope of identifying a pathology that can be treated.

Of course, few doctors actually say “all in your head” these days. Most of them know better, and often even go out of their way to say the opposite, but it’s like they are crossing their fingers behind their back when they say it. Most are still thinking, “Definitely psychosomatic.” They’re just dancing around it diplomatically.

Many fibromyalgia patients realize that it’s possible that their symptoms are psychosomatic, and many of them actively work on treating it as if it is, as best they can, in the hopes that they will get better that way. But they don’t want the conversation to end there. They hope for another diagnosis, a less murky one. They want to make sure there’s nothing more serious brewing, and that’s completely reasonable.

No one knows if all or some fibromyalgia is caused by the mind and/or disease or even more than one disease. It’s all plausible. Dismissively chalking someone’s pain up to a mind game is totally un-cool, because that person absolutely could have an undiagnosed or even unknown pathology.

But patients also must embrace the possibility of psychosomatic illness. And they must recognize that even a doctor who embraces the possibility of pathology may still be helpless to find one.

What about malingering?

Malingering is consciously faking the symptoms of a disease, usually for legal/financial advantage (e.g. proving that you deserve an insurance payout). Malingering can overlap with being a hypochondriac — some malingerers successfully convince themselves that they are sick — but it’s not the same thing. Earnest suspicion of malingering is rare, because malingering itself is extremely rare.57 Most doctors who do suspect psychsomatic symptoms sincerely do not go as far as suspecting deliberate deception.

But some do go that far, out of inexperience, ignorance, and/or prejudice — and so fibromyalgia patients not only deal with their pain, but sometimes the actual belief of doctors that it’s “fake.” Such a belief completely sabotages the clinical relationship, of course.

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The inflammaging hypothesis: fibromyalgia as premature aging

In this section, I present one of my own hypotheses, a “pet theory.” It’s based on years of musings, three dozen partially relevant scientific papers, a couple hunches, something brilliant I once overheard, and a prayer to Asclepius. I will not be surprised if it turns out to be either complete trash … or exactly right. Either way, I want to be clear that I know that I am guessing here. But I hope you’ll agree that it’s interesting, worthwhile guessing.

Many people with unexplained chronic widespread pain have observed that it basically feels like premature aging. In fact, friends and family can be annoyingly dismissive of the symptoms of fibromyalgia as merely symptoms of aging: “Oh, you’re just getting old!” The only fibromyalgia patients who don’t hear this irritating nonsense are in their 20s. It’s hard to explain to people that you’re not just “sore,” you’re way too sore for your age. Especially when there’s no way for any of us to know how many aches and pains we “should” have at any given age.

What if you were actually aging prematurely? What if that’s a fair description of what’s actually going on, not just an analogy? What if some cases of fibromyalgia aren’t just “like” premature aging, but literally are premature aging?

“Inflammaging” is a real word for a real thing, a well-described phenomenon, the inexorable development of more inflammation as we age. It’s bound to be worse in some people: too much inflammaging, too soon. The worse it is, the more it starts to look like pathology. My inflammaging hypothesis of fibromyalgia is simple: maybe fibromyalgia patients are inflammaging prematurely — too much of it, too early in life.

Inflammaging may be a well-described phenomenon, but it is not well explained. We know it is closely linked to many of the health problems we associate with aging, from arthritis to heart disease and diabetes. We also know it’s linked to chronic stress. Despite Sapolsky’s concern about overstating the importance of stress as a cause of disease, “aging can be defined as the progressive loss of the ability to deal with stress” and “there is some decent evidence that an excess of stress can increase the risk of some of the diseases of aging.”58 That’s where the certainty ends, but the other possibilities are fascinating.59

However it works, it’s clear that inflammaging is a phenomenon, and a variable one — some people are bound to get it worse, and it’s very likely that those people are fibromyalgia patients who feel a lot like they are getting too sore and tired, too easily. Just like premature aging.

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Part 3

Fibromyalgia Treatment

Trying to solve one of the hardest problems in medicine

Fibromyalgia treatment is the hardest problems in all of medicine. We’ll probably figure out how to handle Alzheimer’s and rheumatoid arthritis before fibromyalgia. So, please, do go easy on yourself if you’re unsure how to manage unexplained chronic widespread pain. It’s okay! No one actually knows! Truly.

Clinicians should be aware that current evidence for most of the available therapies for the management of fibromyalgia is limited to small trials of low methodological quality.

Naturally, there are people who claim to know, but truly they do not. There are some good ideas, and some of those ideas pan out for some patients, some of the time. But this is a beast with many and diverse heads, and we should definitely not trust anyone who claims to have mastered it.

In 2020, Mascarenhas et al reviewed over 220 studies with almost 30,000 subjects, identifying some “high-quality evidence” that cognitive behavioural therapy… just barely works (good evidence of a minor effect). To an even more modest extent, two classes of drugs — antidepressants and central nervous system depressants — were confirmed to have minor benefits.60

None of those seemingly good-news results actually rose to the level of clinical significance! How far is confirmation of a benefit that is barely noticeable (at best) from just confirming that it doesn’t really work?

And that was the good data.

The rest was the “garbage in” part of the “garbage in, garbage out” equation: data too poor to extract meaningful results from. When most of the data in many dozens of trials is largely worthless, that’s more of a repudiation of fibromyalgia science itself than fibromyalgia treatments. Lots and lots of data that mostly just tells us that most of the studies themselves are worthless. The researchers concluded:

Clinicians should be aware that current evidence for most of the available therapies for the management of fibromyalgia is limited to small trials of low methodological quality.

Let’s try another perspective: looking for agreement between formal treatment guidelines. In 2017, Thieme et al studied four sets of guidelines and found that they were … all over the map.61 While “there were a number of similarities” in their recommendations, there were also maaaaany inconsistencies. The only treatments with strong agreement were:

And just because they agreed on these does not necessarily mean that they actually work, or work for everyone. It just means that all four organizations concluded that they might be, perhaps, slightly better than nothing, for at least some people.

Only one treatment was given a 👎 by all four guidelines: opioids. No surprise there.62

And they were collectively equivocal or blatantly contradictory on dozens of other treatment options. For instance, one group strongly recommends against massage therapy, another recommends it (moderately), a third is weakly against it, and the fourth had no comment. So I guess that one’s still a little uncertain.

Happily, there was only a single example of a treatment that had strong recommendations both for and against (the drug milnacipran). Although there were many contradictions, they were mostly not “strong” ones, so at least there’s that!

Just one guideline seemed to go out of its way to make recommendations against a long list of particularly silly treatment options, a hall of treatment shame, things like relaxation, dance therapy, magnets, lasers and TENS, cryotherapy, local anaesthetic, and several more.

For the rest of the article, I will discuss some highlights from treatment options in as practical a way as possible. This article does not yet provide a comprehensive tour of the options — I chip away at updates over months and years — but it does cover most of the more practical and interesting possibilities.

Fibromyalgia and your rheumatologist or neurologist

Fibromyalgia often resembles the early stages of rheumatological diseases like lupus or ankylosing spondylitis. Indeed, fibromyalgia may co-exist with them. And so fibromyalgia patients often end up being referred to rheumatologists … and then many patients and rheumatologists end up frustrated and baffled by each other.

Rheumatology is the medical speciality devoted to arthritis, particularly the inflammatory arthritides (autoimmune diseases). Rheumatologists are appropriately preoccupied with those very serious and complicated problems. Many of them sub-specialize in just one! In the big picture, it isn’t fair or reasonable to expect rheumatologists to “get” fibromyalgia. The only rheumatologists who do are the ones who have taken an interest and gone out of their way to study it. But they are the exception. In Canada, rheumatologists have been told by their professional organization that fibromyalgia is out of their scope of practice — they aren’t technically allowed to help fibromyalgia patients!

Of course, there’s no excuse for a rheumatologist being an insensitive jerk about it, either — and a lot of fibromyalgia patients have witnessed that.

Neurology is the other medical speciality that attracts fibromyalgia cases, which is probably a less bad fit — although neurologists are also appropriately preoccupied with many serious conditions that are much better understood. Many of them sub-specialize in a disease (multiple sclerosis), or a class of neurological problems like movement disorders, and really don’t know the first thing about fibromyalgia, any more than pro football coach would know what to do with a volleyball team. But a few neurologists generalize a bit and take a professional interest in problems like fibromyalgia.

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Other relevant medical specialities

In all cases, there’s the potential for good help if the individual professional is keen on the topic of fibromyalgia. But there simply is no speciality that clearly lends itself to that. There just are no “fibromyalgia doctors.” Here are the closest remaining possibilities, after rheumatology and neurology:

Orthopaedists are the “carpenters” of medicine, generally focusing on surgical repairs of (allegedly) biomechanical problems, and sports medicine. They are a rarely a good choice for fibromyalgia patients.

Physical medicine & rehabilitation (AKA physiatry) is one of the newest medical specialities, and PM&R docs are basically like advanced physical therapists. The right one can be quite helpful for fibromyalgia patients.

Pain specialists are usually board certified anesthesiologists, neurologists, physiatrists, psychiatrists, or oncologists with additional training in pain management. They often work in multidisciplinary pain clinics/programs. This can be a good route for fibromyalgia patients, but — yet again — fibromyalgia may be a second class citizen, overshadowed by more dramatic and better understood cases.

Psychiatrists and psychologists are potentially useful not because fibromyalgia is “all in your head,” but to help rule out (or treat) symptoms caused by anxiety and depression. The trick is to find one who agrees to those terms. Popular psychotherapeutic modalities used to treat pain, especially cognitive behavioural therapy, have never demonstrated significant efficacy for chronic pain in controlled tests (see Cognitive Behavioural Therapy for Chronic Pain for a full discussion about that). Despite that, CBT is “technically” the leading evidence-based fibromyalgia treatment, because there is more good quality evidence that it works than there is for any other treatment. But there’s a catch! If you read the fine print, we’re talking about evidence of a benefit so minor that it “might not be clinically important to patients.”63

Massage therapists have little hope of altering the progression of fibromyalgia, but they can offer something almost no other professional can: at least some temporary but meaningful symptom relief, and soothing of the nervous system. Nervous system soothing may be more valuable than it sounds, more than just relaxation, insofar as a very pleasant sensory experience may actually reduce sensitization to some degree.

Unfortunately, for several reasons, massage therapists are particularly prone to overconfidence in their ability to actually “cure” fibromyalgia — which is all-to-easy for everyone to believe, thanks to the legitimate benefits mentioned above.

For more detailed reviews of the various health care professions that deal with pain patients, see Reviews of Pain Professions. (More detailed, but also less focused on fibromyalgia.)

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Exercise for fibromyalgia

All physiotherapists have experienced the anxious expression, the dejected look, the frustrated frown of the individual living with persistent musculoskeletal pain who is asked to partake in exercise.

Reasoning exercise dosage for people with persistent pain, by Paul Lagerman, 30–35

Regular moderate exercise you enjoy is good medicine for fibromyalgia.64656667

Maybe.68

Although exercise is famously “the closest thing there is to a miracle cure” for many medical problems,6970 it’s much less of a slam dunk for chronic pain in general,71 and clearly it can backfire and actually cause pain,72 especially in fibromyalgia patients. Indeed, feeling like you can’t exercise — because it’s painful, because it wipes you out — is one of the signature features of fibromyalgia!

Any advice given for myalgic encephalomyelitis — also known (incorrectly) as chronic fatigue syndrome — is often given for fibromyalgia as well.73 And so these waters have been muddied by the infamous “PACE” trial, a big British experiment which concluded that graded exercise therapy — taking baby steps back to normal exercise levels — was helpful for myalgic encephalomyelitis patients. Their results also implied that ME patients aren’t actually sick and just need to think positively and get moving. But the PACE trial has been tainted by scandal and harshly criticized as “uninterpretable.”7475 Unfortunately, there are good reasons to believe that PACE got it disastrously wrong, and exercise actually hurts ME patients76. Fortunately, official guidelines are probably finally going to state this clearly.

None of this would have anything to do with fibromyalgia if it weren’t for the constant clumsy conflation of the two conditions. Here’s the one useful nugget we can take from PACE-gate: if you supposedly have fibromyalgia, but you have a particularly hard time recovering from exercise, it might be worth trying to rule out ME.

Or it’s possible that exercise just really does aggravate some (CSF-y?) cases of fibromyalgia!

And yet fibromyalgia is among the most likely of chronic pain conditions to benefit from exercise if you do it right. But what’s right? No one knows for sure, of course, but here are some evidence-inspired tips:77

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Treating spinal cord pinching

If positional cervical cord compression (PC3) is actually a cause of fibromyalgia, it begs the question:87 what on Earth do you do about something like that? Not much. You try to “work around it” — avoid the positions that cause trouble. Which isn’t great.

Note that no one really has any idea how to treat myelopathy without surgery. “You know nothing, Science.” A 2013 review of dozens of papers found exactly no reliable evidence of anything, a big fat nothing burger.88

Or you operate. Which is always a last resort, but especially this delicate surgery.

Keep a stiff neck

Dr. Holman (the researcher most associated with this topic) provides a DVD that is basically a tutorial for physical therapists to help patients stand up straight — just classic “good posture”! He believes that a majority of patients would recover with this “PT protocol.” That seems a bit trite to me, weirdly simplistic and a bit disappointing. (And why do you need a video tutorial for it? Seems like overkill!) On the other hand, we are talking about “positional” spinal cord compression here, so maybe avoiding the position that compresses your spinal cord is just sensible, probably better than nothing, maybe a lot better than nothing … and that does basically boil down to trying to maintain a more erect posture. Permanently being shy of neck flexion and/or extension sounds terrible, but it’s certainly the lesser of evils, if those positions actually are irritating your spinal cord and that is, in turn, ruining your life. And you wouldn’t be alone: there are other conditions that definitely require diligent avoidance of certain neck positions.89

At the same time, I can’t really take this advice seriously as a “treatment protocol” either: it’s just avoiding aggravation. Or maybe I should say it’s “just” avoiding aggravation — basic but not trivial?

Trying to make room for your spinal cord surgically

Trying to fix spinal cord compression, constant or intermittent, is a risky long shot. But the stakes are high, and people try, and sometimes it works out. Depending on the specific mechanical cause of compression, it might be a better gamble. So, how do you decide when it’s time to talk to a surgeon about it? How do you know if you should ever take that gamble? I think three conditions would have to be met:

Having high diagnostic confidence is the tricky one, and not many people are going to be able to tick all three of those boxes. But we can easily imagine a patient who is desperate, has done a thorough job eliminating other diagnoses and confirming this one (e.g. successful provocation tests, a history of feeling better when flexion is avoided, etc), and has imaging evidence of substantial stenosis. It does make sense for that patient to at least consult a surgeon about this.

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A grab bag of “reasonable” treatment ideas for fibromyalgia

None of these deserves a whole section, but they are all worth mentioning. Once again I’ll emphasize that there isn’t exactly any known way of treating fibromyalgia, so the lack of detail reflects that ignorance: there’s only so much that should be said about treating fibromyalgia, because there’s only so much that can be justified. This minimalism is a feature, not a bug.

Treat sleep like it’s precious. Learn everything you can about insomnia and sleep problems, learn and practice the best possible sleep hygiene, and protect your sleeping conditions like it’s life or death. It won’t be easy, and it won’t always work. But the only thing worse than the sleep problems associated with fibromyalgia is those same sleep problems aggravated by potentially fixable problems like light and noise pollution, uncomfortable beds, and behavioural factors like logging on to Facebook one last time before bedtime. See The Insomnia Guide.

Treat the treatable. Fibromyalgia patients have other medical problems, like tendinitis,91 but suffer from them more and longer. Focus on taming whatever issues you have as best you can. It’s an uphill battle, but it’s all the more important. The fewer sources of pain, the better. PainScience.com has many self-help guides for common pain problems and injuries, and a guide to unusual sources of pain.

Change everything. Change your life. If fibromyalgia is a complex disease caused by many factors, if it’s a “meltdown” of our ability to adapt to stress, then assertively seek out a better life. See Pain Relief from Personal Growth. Less drastically, but in the spirit, launch a campaign to eliminate every possible stress from your life — not easy, of course, but worthwhile regardless. Meditation, yoga, and related practices may be appealing and appropriate for some people.

Experiment with anti-inflammatory dieting. Although there is clear evidence that fibromyalgia is inflammatory,92 there is none that any kind of diet is likely to help. And yet the only true anti-inflammatory diet is probably just one that is not inflammatory — that is, a “heart healthy” diet. Low stakes, worth a shot, with a worst case scenario that you’re eating healthier in general. For much more detailed analysis, see Chronic, Subtle, Systemic Inflammation.

“Ignore” it. I’m not being cute here, I swear. The suggestion is absolutely earnest. Pain is like noise pollution: the more you pay attention to it, the worse it gets. It thrives on attention and “drama.” Try to act normal and get on with your life as best you can. Embrace stoicism. For much more about this and other “mind over pain” strategies, see Mind Over Pain. We’re talking about mitigation and coping here, not cure, but that can be important.

Try marijuana. The efficacy of marijuana for various chronic pain in general is still unsettled science and over-hyped. The reality so far is a mixture of mediocre and bad science news, and the evidence for fibromyalgia specifically is even worse.9394 As with any drug, some people will undoubtedly be non-responders, and some will have adverse reactions. But it is certainly worth experimenting with, conservatively… if your local laws don’t make it too much of a hassle. I have a full guide to this topic: Marijuana for Pain: The hype versus the science! What does the evidence actually show about cannabis and chronic pain?

Take vitamin D. Vitamin D deficiency is extremely common (especially in northern latitudes), strongly correlated with chronic pain in general and fibromyalgia in particular, and quite safe to supplement. See Vitamin D for Pain.

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Hang out in a pressure chamber? Hyperbaric oxygen therapy for fibromyalgia

Hyperbaric oxygen therapy (HBOT) involves sitting in a pressurized chamber with an oxygen-rich atmosphere. The idea is that it squeeeezes extra O₂ into your body! It’s an experimental, expensive treatment with some promising preliminary evidence for some conditions, like autism and migraine. The risks are unknown, but probably minimal.

Predictably, there’s not much evidence on this topic, and what we have is of questionable value (see above, “An avalanche of useless fibromyalgia research”). As of 2017, there are a couple dozen slightly encouraging animal and human trials of HBOT for “chronic pain” in general,95 and just one more intriguing scientific study of HBOT for fibromyalgia in particular,96 with a conclusion that sounds fabulous:

CONCLUSIONS: The study provides evidence that HBOT can improve the symptoms and life quality of FMS patients. Moreover, it shows that HBOT can induce neuroplasticity and significantly rectify abnormal brain activity in pain related areas of FMS patients.

Unfortunately, we have no strong reason think that HBOT is going to be an effective treatment for fibromyalgia specifically. It’s not a crazy idea, but it’s still a substantial speculative leap from “HBOT facilitates neuroplasticity maybe possibly” all the way to “and therefore fibromyalgia cure!” The whole thing smacks of wishful thinking and perhaps even self-promotion (which is a bit of a plague on HBOT research). Although bias is normal, and nothing actually gets studied if people aren’t keen on it, this is a complex study with a high-risk of bias. These researchers are obviously heavily invested in the idea of HBOT, and the more complicated the study, the more ways there are to unconsciously distort the experiment and its results.

The inclusion of SPECT assessment is fascinating, but it also adds some exotic complexity to what is already a complex trial. Although well-written with good, thorough disclosure of some of the obvious limitations (like the problematic absence of a true placebo control), there’s still too much wiggle room here, and the results are essentially meaningless without good replication… and a solution to the placebo problem. Although the authors think the results were “not likely to be a placebo” and cite a couple reasons why — like the fact that patients actually worsened initially — by no means is that doubt fully resolved.

But there is a bright side: the final results did seem to be quite robust, and they shouldn’t be carelessly dismissed. I just can’t take it too seriously without replication. But watch this space. I wouldn’t have bothered including an HBOT section if I didn’t think there was some potential.

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Part 4

Useless but fascinating: the greatest hits of fibromyalgia research

Early on in this guide I mentioned that there’s a lot of crappy fibromyalgia research, but of course it’s not all bad. It’s quite common for researcher’s to learn fascinating new things about fibromyalgia. Unfortunately, even when it’s good and interesting, it’s often almost completely useless to patients or clinicians on the front line.

In this part of the guide, I will highlight research that’s genuinely interesting… but isn’t going actually inform management. I’m launching with a particularly great example: the “transplantation” of fibromyalgia symptoms from humans to mice. Amazing! Almost completely pointless in the short term for anyone but researchers. But amazing.

Miserable mice! Fibromyalgia transplanted to mice…in blood?

Fibromyalgia symptoms have now been diabolically “transplanted” from humans to mice, in a new study by Goebel et al).97

The effect was temporary, thankfully, but for a couple weeks after mice are injected with serum from people with fibromyalgia, they seem to be struck down by fibromyalgia themselves. They get sluggish and weak. They flinch away more dramatically from cold and pressure. Nerves in their skin actually shrivel up (I am not kidding). These signs are all familiar to us from human fibromyalgia.

How is fibromyalgia making the leap to the mice? Goebel et al. had something in mind, because there are many clues that fibromyalgia involves the immune system in some way. The bearer of the bad news appears to be one our most common antibodies, the immunoglobulin G (IgG), an immune system workhorse. The mice were safe when IgG was filtered out of the serum or when the serum came from healthy humans. Only serum with “bad IgG” from fibromyalgia patients was a threat to the mice.

The mice bounced back as levels of human IgG levels in their little systems slowly declined over a few weeks. Phew! I accept that mice are essential in medical research. Doesn’t mean I have to like it.

The Monument to the laboratory mouse is a sculpture in Novosibirsk, Russia, commemorating the sacrifice of the mice in genetic research.

What is immunoglobulin G?

Immunoglobulins (Ig) are antibodies, molecules that identify and neutralize invaders, and G is one major class of them, a family of proteins with many properties that distinguish it from other major types. For instance, it’s the only type of antibody that crosses the placental barrier, so it has a crucial role in infant immunity. It’s also strongly associated with allergic responses, including anaphylactic shock.

One key thing to note is that we can’t just get rid of IgG. It’s too important.

And what's wrong with it in fibromyalgia?

As with all things immune, IgG is just stupidly complex, and it's more of a family of proteins than "a molecule." There are many ways that IgG — as a class of antibodies — can be different in fibromyalgia patients.

Just knowing that fibromyalgia patients have "bad IgG" isn't super helpful, because we don't know why or how it's bad — and you can't just get rid of it. Goebel et al. suggests that therapies that reduce our total IgG supply somewhat "may be effective," but we have no idea. Blocking their effects is another promising approach, but complicated. All of this will take a lot of work. Still, at least it’s a promising place to look.

(And there are probably several sub-types of fibromyalgia, and they probably don't all involve tainted rogue IgG.)

Flaws and limitations?

I am not qualified to find specific fault in this quite technical study, but I didn’t pick up on any red flags. Of course it’s “just an animal study,” and we know that “mice lie and monkey’s exaggerate,” the biologist’s lament about the unreliability of animal models. Different species can be weirdly impervious to things that are nasty for others.

But this is a bit different from the usual “we learned something about how animals work, but we have no idea if humans are the same.” When a well-described disease in humans can be inflicted on mice with an extremely specific procedure, there’s a good chance it’s an important finding — even if we’re not sure what to do with it yet.

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About Paul Ingraham

Headshot of Paul Ingraham, short hair, neat beard, suit jacket.

I am a science writer in Vancouver, Canada. I was a Registered Massage Therapist for a decade and the assistant editor of ScienceBasedMedicine.org for several years. I’ve had many injuries as a runner and ultimate player, and I’ve been a chronic pain patient myself since 2015. Full bio. See you on Facebook or Twitter.

Part 5

Appendices

Related Reading

I think this is the most credible and useful of the many fibromyalgia books available is Fibromyalgia: The Final Chapter. This article is just a primer: go read Dr. Goldenberg’s book next.

Unfortunately, I personally suffer from unexplained fatigue and chronic widespread pain myself — the direct inspiration for this article more than any other on PainScience.com. Although I was devoted to writing about chronic pain long before it became a serious problem for me, my ironic fate has definitely been a major influence on this website. You can read my chronic pain story on my personal blog: “Chronic Pain & Tragic Irony.”

Another personal story: “DOCTOR MASSEUSE: Or My Personal Pain Puzzle,” by Jared Updike, is a practical and hopeful article by a PainScience.com reader about wrestling with fibromyalgia over the last few years, more or less successfully. But it wasn’t easy:

What do you do when all your effort backfires and makes things worse, where you feel like your body is allergic to effort? (And you tried "resting" or doing nothing for months but that clearly did not work either?) Especially if you are the type of person that thrives on effort (professional life and hobbies and ways to blow off steam?)

For several years, the pain, fatigue, isolation, anxiety and low mood cycles were hell. The harder I tried, the worse it made everything: I was used to trying harder making things better, but this was its own beast. During this time, I had trouble walking without my muscles (eventually my whole system) complaining for days. I had trouble driving. I felt trapped in my apartment.

Jared perfectly demonstrates a thoughtful, systematic approach to learning about fibromyalgia and experimenting with treatments. He’s open-minded, but — crucially — not too open-minded. His writing about that process is a great bonus, clear and interesting. The main article is short, but some of his “Additional Notes” are actually longer and the best part: be sure to click/tap to show those.

While I do not think that chronic widespread pain is generally a psychosomatic illness, I do think patients should be very familiar with the reality of psyschosomatic illness and how it might relate to their case. Some recommended reading on that theme:

What’s new in this article?

34 updates have been logged for this article. All PainScience.com updates are logged to show a long term commitment to quality, accuracy, and currency. more When’s the last time you read a blog post and found a list of many changes made to that page since publication? Like good footnotes, this sets PainScience.com apart from other health websites and blogs. Although footnotes are more useful, the update logs are important. They are “fine print,” but more meaningful than most of the comments that most Internet pages waste pixels on.

I log any change to articles that might be of interest to a keen reader. Complete update logging of all noteworthy improvements to all articles started in 2016. Prior to that, I only logged major updates for the most popular and controversial articles.

See the What’s New? page for updates to all recent site updates.

Jul 30, 2021 — New section: No notes. Just a new chapter. [Updated section: Miserable mice! Fibromyalgia transplanted to mice…in blood?]

June — Science update: Added two token citations about cannabis for fibromyalgia. “Token” because the evidence barely exists. [Updated section: A grab bag of “reasonable” treatment ideas for fibromyalgia.]

March — Upgrade: Added table of contents.

January — New section: An entire new section dedicated to a correction: fibromyalgia is not (clearly or officially) a “diagnosis of exclusion.” However, it’s an interesting question to dive into, so I wrote a whole new section about it. [Updated section: Is fibromyalgia a “diagnosis of exclusion” or “wastebasket diagnosis”?]

January — Science update: Added citation and significant discussion of Mascarenhas et al, a huge 2020 meta-analysis of treatments for fibromyalgia. I gave some extra attention to the evidence on cognitive behavioural therapy. [Updated section: Fibromyalgia Treatment: Trying to solve one of the hardest problems in medicine.]

January — Clarification: Added some new emphasis on how difficult fibromyalgia treatment is. People seem to think there must be a treatment for it, but there really isn’t. This disease remains extremely puzzling and generally untreatable, and that point needed to be made more strongly. [Updated section: Fibromyalgia Treatment: Trying to solve one of the hardest problems in medicine.]

2020 — Good news update: Added superb news about “New Graded Exercise Warning on Current ME/CFS Guideline. [Updated section: Exercise for fibromyalgia.]

2020 — Clarification: Added still more emphasis to the distinction between an explanatory diagnosis and a descriptive one, including a good example of this common point of confusion. [Updated section: “Fibromyalgia” is a medical UFO: the diagnosis is descriptive, not explanatory.]

2020 — Science update: Added brief discussion of (and a reference for) the prevalence of fibromyalgia before multiple sclerosis diagnosis. [Updated section: Conditions that may be confused with fibromyalgia.]

2019 — Comprehensive edit: All kinds of little corrections and improvements, collectively significant.

2019 — New section: No notes. Just a new chapter. [Updated section: A genetic defect that exaggerates all sensation is closely linked to fibromyalgia.]

2019 — Re-written: Although I have always liked describing fibromyalgia as a “medical UFO,” I was never really happy with my explanation of that analogy. Today I re-wrote it, clearer and briefer, and I think I finally got it right. [Updated section: “Fibromyalgia” is a medical UFO: the diagnosis is descriptive, not explanatory.]

Archived updates — All updates, including 23 older updates, are listed on another page.

GO TO TOPCONTENTSNOTES

Notes

  1. More exactly: chronic pain that is not associated with any known pathology that can explain it, especially cancer (“malignant pain,” a huge category of chronic pain, and generally considered and managed very differently from other kinds of chronic pain).
  2. Jones GT, Atzeni F, Beasley M, et al. The prevalence of fibromyalgia in the general population: a comparison of the American College of Rheumatology 1990, 2010, and modified 2010 classification criteria. Arthritis Rheumatol. 2015 Feb;67(2):568–75. PubMed #25323744 ❐
  3. www.fmperplex.com [Internet]. Wolfe F. 75% of Persons in the General Population Diagnosed with Fibromyalgia Don’t Have It, But It Is Worse Than That … – The Fibromyalgia Perplex; 2017 January 11 [cited 17 Jan 19].

    This is a scholarly commentary on the substantial over and under diagnosis of fibromyalgia, with an estimated 75% of people with diagnosis actually not fitting diagnostic criteria, about 1.5% of the US population:

    By our calculations almost 3 million people who do not meet fibromyalgia criteria have been given a fibromyalgia diagnosis. At the other end of the spectrum, there are almost 3 million persons who satisfy fibromyalgia criteria, but have not been diagnosed with the disorder by a physician.

    The authors argue that misdiagnosis is driven more by “socially-constructed factors” like pharmaceutical companies aggressively teaching doctors to diagnose fibromyalgia and prescribe (unproven) drugs for it; patient advocacy groups trying to legitimize the diagnosis; and doctors seeking prestige by publishing about fibromyalgia.

    They also make some important points about the state of our understanding of fibromyalgia along the way, most notably that central sensitization remains both unproven and problematic as a major cause or mechanism of fibromyalgia.

  4. Thieme K, Mathys M, Turk DC. Evidenced-Based Guidelines on the Treatment of Fibromyalgia Patients: Are They Consistent and If Not, Why Not? Have Effective Psychological Treatments Been Overlooked? J Pain. 2017 Jul;18(7):747–756. PubMed #28034828 ❐ This paper is an extremely technical analysis of four sets of treatment guidelines for fibromyalgia produced by four different organizations. Although super dense reading, it all boiled down to a really simple conclusion: they don’t agree with each other! The guidelines are inconsistent. I will return to this reference again later.
  5. Stiffness is a form of mild pain or discomfort with movement with many possible causes that may or may not involve any actually restricted movement — usually not, in the case of fibromyalgia, although it’s possible that some dystonia (abnormal muscle tone) is involved. For more information, see Why Do Muscles Feel Stiff and Tight?
  6. Anspach, Beth. “From living the ‘perfect storm’ to helping people: After recovering from years of chronic pain, woman helps others.” Dayton Daily News. Undated. Terrible article, basically just an advertisement for McCullough’s book about how to cure fibromyalgia. She believes she recovered from fibromyalgia thanks to “meditating and praying daily … a holistic therapist … visualizing herself as healthy … detoxification.” And this is the person who thinks that she “finally knew what was wrong” because her illness was given a label (as far as we can tell from the reporting).
  7. Wolfe F, Smythe HA, Yunus MB, et al. The American College of Rheumatology 1990 Criteria for the Classification of Fibromyalgia. Report of the Multicenter Criteria Committee. Arthritis Rheum. 1990 Feb;33(2):160–72. PubMed #2306288 ❐
  8. Wolfe F, Clauw DJ, Fitzcharles MA, et al. The American College of Rheumatology preliminary diagnostic criteria for fibromyalgia and measurement of symptom severity. Arthritis Care Res (Hoboken). 2010 May;62(5):600–10. PubMed #20461783 ❐
  9. Wolfe F, Clauw DJ, Fitzcharles MA, et al. Fibromyalgia criteria and severity scales for clinical and epidemiological studies: a modification of the ACR Preliminary Diagnostic Criteria for Fibromyalgia. J Rheumatol. 2011 Jun;38(6):1113–22. PubMed #21285161 ❐

    The original ACR diagnostic criteria for fibromyalgia were published in 1990 (Wolfe) and the first major revision was published in 2010 (Wolfe), and this paper added the FMS symptom scale, “which measures what the authors call the overall ‘fibromyalgianess’ of a patient.”

    This paper is not directly useful to patients, but Neha Garg does a good job of explaining it: New and Modified Fibromyalgia Diagnostic Criteria. See also Wolfe’s 2015 paper, “Editorial: the status of fibromyalgia criteria”.

  10. Wolfe F, Clauw DJ, Fitzcharles MA, et al. 2016 Revisions to the 2010/2011 fibromyalgia diagnostic criteria. Semin Arthritis Rheum. 2016 12;46(3):319–329. PubMed #27916278 ❐
  11. Mascarenhas RO, Souza MB, Oliveira MX, et al. Association of Therapies With Reduced Pain and Improved Quality of Life in Patients With Fibromyalgia: A Systematic Review and Meta-analysis. JAMA Intern Med. 2020 Oct. PubMed #33104162 ❐
  12. Jensen TS, Baron R, Haanpää M, et al. A new definition of neuropathic pain. Pain. 2011 Oct;152(10):2204–5. PubMed #21764514 ❐

    IASP has recently [2008] published a new definition of neuropathic pain according to which neuropathic pain is defined as ‘pain caused by a lesion or disease of the somatosensory system.’ This definition replaces the 17-year old definition that appeared in the Classification of Chronic Pain published by IASP in 1994, which defined neuropathic pain as ‘pain initiated or caused by a primary lesion, dysfunction, or transitory perturbation of the peripheral or central nervous system’. Even though the definition has not been changed dramatically, there are two important changes in the new version: (1) the word ‘dysfunction’ has been removed and (2) a lesion or disease affecting the nervous system has been specified to be a lesion or disease of the somatosensory system.

    The whole paper is excellent, but skipping to the cogent conclusion:

    A definition of neuropathic pain is only useful if it distinguishes conditions in a clinically meaningful way. If the definition does not provide additional benefit in terms of understanding and treating the condition(s), then there is no reason to keep it. Hopefully, the new definition of neuropathic pain will act as a stimulant to discuss the definition in more detail and provide input for studies that can be used to test the value of the definition.

  13. Multiple sclerosis attacks nerves in quite a dramatic way, which we could see in autopsies, but the lesions were invisible in living patients until the invention of MRI. It’s plausible that there are still plenty of biological “lesions” that we haven’t yet learned to detect, because they are just too small and transient. Despite all of our modern technological wizardy, most of the action in biology happens at the nanoscale, cells moving molecules and atoms around at dazzling speeds through the chaos of the molecular storm (brownian motion). There are probably nanoscale lesions.
  14. Both small fibre peripheral neuropathy and positional cervical cord compression are candidate neuropathic causes: both hard to detect, both capable of explaining at least some of the symptoms of fibromyalgia, both associated with people who have been diagnosed with fibromyalgia.
  15. Light KC, White AT, Tadler S, Iacob E, Light AR. Genetics and Gene Expression Involving Stress and Distress Pathways in Fibromyalgia with and without Comorbid Chronic Fatigue Syndrome. Pain Res Treat. 2012;2012:427869. PubMed #22110941 ❐ PainSci #52980 ❐

    This is an extremely dense, technical review finding “some support” for both inherited susceptibility to FM/CFS and/or physiological dysregulation of multiple relevant systems.

  16. Lyon P, Cohen M, Quintner J. An evolutionary stress-response hypothesis for chronic widespread pain (fibromyalgia syndrome). Pain Med. 2011 Aug;12(8):1167–78. PubMed #21692974 ❐ “Drawing on diverse findings in neurobiology, immunology, physiology, and comparative biology, we suggest that the form of central sensitization that leads to the profound phenomenological features of chronic widespread pain is part of a whole-organism stress response, which is evolutionarily conserved, following a general pattern found in the simplest living systems.”
  17. BetterMovement.org [Internet]. Hargrove T. A Systems Perspective on Chronic Pain; 2014 Oct 23 [cited 16 Sep 12].

    This deep but beautifully readable article explains, with many pictures and apt examples, how “chronic pain is often driven by dysregulation of a ‘supersystem’ that coordinates defensive responses to injury. The supersystem results from dynamic interaction between different subsystems, most notably the nervous system, immune system, and endocrine system.” The article also manages to make this information seem quite practical, believe it or not.

  18. Kosek E, Cohen M, Baron R, et al. Do we need a third mechanistic descriptor for chronic pain states? Pain. 2016 Jul;157(7):1382–6. PubMed #26835783 ❐ PainSci #53276 ❐
  19. Bäckryd E, Tanum L, Lind AL, Larsson A, Gordh T. Evidence of both systemic inflammation and neuroinflammation in fibromyalgia patients, as assessed by a multiplex protein panel applied to the cerebrospinal fluid and to plasma. J Pain Res. 2017;10:515–525. PubMed #28424559 ❐ PainSci #53589 ❐

    Although inflammation has been suspected in fibromyalgia, it has been poorly studied to date. This experiment went much further, employing “a new multiplex protein panel enabling simultaneous analysis of 92 inflammation-related proteins.” They looked for these markers in the cerebrospinal fluid and blood of 40 fibromyalgia patients and compared with healthy controls, finding an “extensive inflammatory profile.”

  20. Wolfe 2016, op. cit.
  21. Galvez-Sánchez CM, Reyes Del Paso GA. Diagnostic Criteria for Fibromyalgia: Critical Review and Future Perspectives. J Clin Med. 2020 Apr;9(4). PubMed #32340369 ❐ PainSci #51905 ❐
  22. And even if it was prescriptively mapped out it would clearly be at odds with common usage, and all this makes it hard to, er, exclude. “Exclusion criteria” is a precise term, making specific exclusions a requirement, but “diagnosis of exclusion” is looser and more pragmatic, does not require exclusion criteria, and describes a typical messy diagnostic process in which a certain amount of “narrowing” (Wolfe) is both necessary and inevitable.
  23. Wijnands JM, Zhu F, Kingwell E, et al. Five years before multiple sclerosis onset: Phenotyping the prodrome. Mult Scler. 2019 07;25(8):1092–1101. PubMed #29979093 ❐
  24. Although fibromyalgia may include the burning pain or nerve tingling characteristic of SFPN, most with SFPN don’t have the hallmark FMS symptom of widespread deep tissue pain, or other classic fibromyalgia symptoms like severe fatigue.
  25. Ingraham. The Trigger Point Identity Crisis: The biological evidence that a trigger point is a lesion in muscle tissue.  ❐ PainScience.com. 3775 words.
  26. PracticalPainManagement.com [Internet]. Holman A. Using Dynamic MRI to Diagnose Neck Pain: The Importance of Positional Cervical Cord Compression (PC3); 2017 January 12 [cited 17 Sep 1].

    A remarkable article for a medical audience, technical and scholarly but cogent, exploring fascinating potential connections between PC3 and/or Chiari malformation and fibromyalgia and chronic widespread pain.

  27. Chan CK, Lee HY, Choi WC, Cho JY, Lee SH. Cervical cord compression presenting with sciatica-like leg pain. Eur Spine J. 2011 Jul;20 Suppl 2:S217–21. PubMed #20938789 ❐ PainSci #53701 ❐

    A report on two cases of cervical spinal cord impingement causing leg pain — both examples of pain at a location unusually remote from a subtle lesion (referred pain) — both successfully treated surgically. Notably, both cases involved previous lumbar spine problems.

    Interestingly, such distant referred pain is tangentially relevant to the hypothetical phenomenon of cervical spinal cord irritation causing fibromyalgia (see Using Dynamic MRI to Diagnose Neck Pain).

  28. Heffez DS, Ross RE, Shade-Zeldow Y, et al. Clinical evidence for cervical myelopathy due to Chiari malformation and spinal stenosis in a non-randomized group of patients with the diagnosis of fibromyalgia. Eur Spine J. 2004 Oct;13(6):516–23. PubMed #15083352 ❐ PainSci #52751 ❐

    Patients with fibromyalgia often also have symptoms of myelopathy (spinal cord impingement), but are often never assessed by a neurologist. In this study, 270 points with a fibromyalgia diagnosis only were given a thorough neurological assessment. Many of them had several clear signs and symptoms of myelopathy, most notably narrowing of the spinal canal, especially positioned in neck extension. The authors concluded: “Our findings indicate that some patients who carry the diagnosis of fibromyalgia have both signs and symptoms consistent with cervical myelopathy, most likely resulting from spinal cord compression.”

    Other than a follow-up study by the authors and the work of Andrew Holman (see Using Dynamic MRI to Diagnose Neck Pain), there is no other research on this important topic.

  29. Heffez DS, Ross RE, Shade-Zeldow Y, et al. Treatment of cervical myelopathy in patients with the fibromyalgia syndrome: outcomes and implications. Eur Spine J. 2007 Sep;16(9):1423–33. PubMed #17426987 ❐ PainSci #52887 ❐

    This fascinating study follows from an early one (Heffez) that showed a clear link between fibromyalgia and myelopathy (the symptoms of cervical spinal cord compression). They tested the link more directly in this study by treating spinal cord compression surgically in 40 patients with the symptoms of both fibromyalgia, comparing the results to another 31 patients treated non-surgically. “There was a striking and statistically significant improvement” in the surgically treated patients, compared to the non-surgically treated patients.

    The surgical treatment of cervical myelopathy due to spinal cord or caudal brainstem compression in patients carrying the diagnosis of fibromyalgia can result in a significant improvement in a wide array of symptoms usually attributed to fibromyalgia with attendant measurable improvements in the quality of life.

  30. Holman AJ. Positional cervical spinal cord compression and fibromyalgia: a novel comorbidity with important diagnostic and treatment implications. J Pain. 2008 Jul;9(7):613–22. PubMed #18499527 ❐
  31. Zhang L, Zeitoun D, Rangel A, et al. Preoperative evaluation of the cervical spondylotic myelopathy with flexion-extension magnetic resonance imaging: about a prospective study of fifty patients. Spine (Phila Pa 1976). 2011 Aug;36(17):E1134–9. PubMed #21785299 ❐

    This study demonstrates that much more information can be obtained by imaging the neck in a range of positions (dynamic MRI), as opposed to just a neutral position. 50 patients on their way to neck surgery to help with spinal cord trouble were much more thoroughly scanned than they normally would have been. Cord impingement was spotted in just 17 patients in the neutral position, but thirty-seven in extension (and several in flexion as well). Cord inflammation was visible in just 13 patients in neutral position but twenty in a flexed position. The authors concluded that “Dynamic MRI is useful to determine more accurately the number of levels where the spinal cord is compromised.”

  32. Herzog R, Elgort DR, Flanders AE, Moley PJ. Variability in diagnostic error rates of 10 MRI centers performing lumbar spine MRI examinations on the same patient within a 3-week period. Spine J. 2016 Nov. PubMed #27867079 ❐

    In this study, one patient with sciatica was sent for ten MRIs, which produced 49 distinct “findings,” 16 of them unique, none of which occurred in all ten reports. On average, each radiologist made about a dozen errors, seeing one or two things that weren’t there and missing about ten things that were. Yikes. Read a more detailed and informal description of this study.

    (See more detailed commentary on this paper.)

  33. Rowe PC, Marden CL, Heinlein S, Edwards 2. Improvement of severe myalgic encephalomyelitis/chronic fatigue syndrome symptoms following surgical treatment of cervical spinal stenosis. J Transl Med. 2018 Feb;16(1):21. PubMed #29391028 ❐ PainSci #53054 ❐ “We describe three consecutive patients with severe ME/CFS whose symptoms improved after recognition and surgical management of their cervical spinal stenosis.”
  34. Brooke. “ME vs. CFS — They’re Not The Same!” DocumentingME.net. Accessed 2017-08-16.
  35. HFME.org [Internet]. Bassett J. M.E. vs Fibromyalgia; 2017 August 16 [cited 17 Sep 7]. This document is the source for most of my specific points on the differences between ME and FM.
  36. Cook DB, Light AR, Light KC, et al. Neural consequences of post-exertion malaise in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome. Brain Behav Immun. 2017 May;62:87–99. PubMed #28216087 ❐ Brain study of the “neural consequences” of acute exercise in people who suffering from excessive post-exertion malaise (PEM). They claim to have found “objective evidence of the detrimental neurophysiological effects of PEM.”
  37. I will bring up the scandal-scarred PACE trial later in the tutorial in the exercise section.
  38. Leary, Sian. “New Graded Exercise Warning on Current ME/CFS Guideline.” Dec 11, 2020. MEAction.net.

    After years of campaigning to highlight the harm people with ME have experienced when undergoing graded exercise therapy, MEAction UK have just received a momentous email from the National Institute for Health and Care Excellence (NICE), advising us that:

    “NICE have updated the warning on the 2007 CFS/ME guideline, directing health professionals to the new draft recommendations on graded exercise therapy which explicitly state:

    Do not offer people with ME/CFS any programme based on fixed incremental increases in physical activity or exercise, for example graded exercise therapy”

  39. Johnston KJ, Adams MJ, Nicholl BI, et al. Genome-wide association study of multisite chronic pain in UK Biobank. PLoS Genet. 2019 Jun;15(6):e1008164. PubMed #31194737 ❐ PainSci #52248 ❐ Interestingly, almost half of the genes identified by Johnston et al are also risk factors for severe depression, and there’s also substantial genetic overlap between chronic pain and chronic pain and schizophrenia, body-mass index, rheumatoid arthritis, and post-traumatic stress disorder, amongst others.
  40. Khoury S, Piltonen MH, Ton AT, et al. A functional substitution in the L-aromatic amino acid decarboxylase enzyme worsens somatic symptoms via a serotonergic pathway. Ann Neurol. 2019 Jun. PubMed #31177555 ❐
  41. Why so little serotonin? Because they all had a glitchy gene that codes for an impaired, sluggish version of an enzyme, critical for serotonin production, specifically “the minor allele of rs11575542, located in the DDC gene,” which is on chromosome 7. If you must know. This gene has an important job: it swaps “an arginine to a glutamine at position 462 close to the C-terminus in the AADC protein.” But the glitchy version does it… way… too… slowly. Oops. There are also genetic variants that result in complete failure to make the AADC protein, and that’s a biological disaster. This gene just makes slow AADC.
  42. Cassisi G, Sarzi-Puttini P, Cazzola M. Chronic widespread pain and fibromyalgia: could there be some relationships with infections and vaccinations? Clin Exp Rheumatol. 2011;29(6 Suppl 69):S118–26. PubMed #22243559 ❐
  43. Bennett RM, De Garmo P, Clark SR. A Randomized, Prospective, 12 Month Study To Compare The Efficacy Of Guaifenesin Versus Placebo In The Management Of Fibromyalgia. Arthritis Rheum. 1996;39 (Supplement 9)(S212). PainSci #52913 ❐

    Despite a high risk of bias in favour of this treatment, the authors concluded that “this study provides persuasive evidence that the improvement was not due to a disease specific effect of guaifenesin on the underlying pathophysiology of fibromyalgia.”

  44. Simms RW, Roy SH, Hrovat M, et al. Lack of association between fibromyalgia syndrome and abnormalities in muscle energy metabolism. Arthritis Rheum. 1994 Jun;37(6):794–800. PubMed #8003050 ❐ “This study demonstrates that under the conditions studied, muscle energy metabolism in FMS is no different than that in sedentary controls. These findings do not support the hypothesis that detectable defects in muscle energy metabolism occur in FMS.”
  45. Smith SM, Schroeder K, Fahey T. Over-the-counter (OTC) medications for acute cough in children and adults in community settings. Cochrane Database Syst Rev. 2014 Nov;(11):CD001831. PubMed #25420096 ❐ “Three trials compared the expectorant guaifenesin with placebo; one indicated significant benefit, whereas the other two did not.”
  46. Cadegiani FA, Kater CE. Adrenal fatigue does not exist: a systematic review. BMC Endocr Disord. 2016 Aug;16(1):48. PubMed #27557747 ❐ PainSci #52878 ❐

    Conclusion:

    To our knowledge, this is the first systematic review made by endocrinologists to examine a possible correlation between the HPA axis and a purported “adrenal fatigue” and other conditions associated with fatigue, exhaustion or burnout. So far, there is no proof or demonstration of the existence of “AF”. While a significant number of the reported studies showed differences between the healthy and fatigued groups, important methodological issues and confounding factors were apparent. [Translation: biased, sloppy science! ~ Paul] Two concluding remarks emerge from this systematic review: (1) the results of previous studies were contradictory using all the methods for assessing fatigue and the HPA axis, and (2) the most appropriate methods to assess the HPA axis were not used to evaluate fatigue. Therefore, “AF” requires further investigation by those who claim for its existence.

  47. Acupuncture has a good reputation it does not deserve. Although heavily researched, its support comes only from heavily biased junk science, while it fails all the good quality scientific tests. It does not work for pain or anything else and we shouldn’t be surprised: it’s based on mysticism and myths. It’s surprisingly modern rather than ancient and wise, for instance, and cannot actually be used for anesthesia. More study is not needed. For more information, see Does Acupuncture Work for Pain? A review of modern acupuncture evidence and myths, focused on treatment of back pain & other common chronic pains.
  48. Rosa L, Rosa E, Sarner L, Barrett S. A close look at therapeutic touch. JAMA. 1998 Apr 1;279(13):1005–10. PubMed #9533499 ❐ PainSci #56856 ❐

    This paper is an entertaining chapter in the history of the science of alternative medicine: a child’s science fair project published in the Journal of the American Medical Association, showing that “twenty-one experienced therapeutic touch practitioners were unable to detect the investigator's ‘energy field.’ Their failure to substantiate TT's most fundamental claim is unrefuted evidence that the claims of TT are groundless and that further professional use is unjustified.”

    Therapeutic touch practitioners could not demonstrate any ability to detect a person by feeling their aura, let alone manipulating it therapeutically. The test made them look ridiculous.

  49. Levy, Louise. Facebook post, July 11, 2017.
  50. CoyneOfTheRealm.com [Internet]. Coyne J. When promoting cognitive behavior therapy for fibromyalgia is quackery – Coyne of the Realm; 2017 August 17 [cited 17 Sep 1].
  51. Burke NN, Finn DP, McGuire BE, Roche M. Psychological stress in early life as a predisposing factor for the development of chronic pain: Clinical and preclinical evidence and neurobiological mechanisms. J Neurosci Res. 2016 Jul. PubMed #27402412 ❐
  52. Coppens E, Van Wambeke P, Morlion B, et al. Prevalence and impact of childhood adversities and post-traumatic stress disorder in women with fibromyalgia and chronic widespread pain. Eur J Pain. 2017 May. PubMed #28543929 ❐
  53. Lyon 2011, op. cit.
  54. Generaal E, Vogelzangs N, Macfarlane GJ, et al. Biological stress systems, adverse life events and the onset of chronic multisite musculoskeletal pain: a 6-year cohort study. Ann Rheum Dis. 2015 Apr. PubMed #25902791 ❐
  55. Can chronic pain be a “learned response” (classical conditioning) to things that shouldn’t hurt, like Pavlov’s dogs salivating to the ring of a bell? It’s an interesting idea, with obviously optimistic implications, because what is learned might also be un-learned. If so, it’s a bit of a brain hack, a clever and surprising solution around one of the hardest problems there is. It’s a bit unlikely, but so interesting that it’s worth discussing and exploring. See Chronic Pain as a Conditioned Behaviour: If pain can be learned, can it be unlearned?
  56. Espay AJ, Aybek S, Carson A, et al. Current Concepts in Diagnosis and Treatment of Functional Neurological Disorders. JAMA Neurol. 2018 09;75(9):1132–1141. PubMed #29868890 ❐
  57. O’Sullivan S. It's All in Your Head: True Stories of Imaginary Illness. Chatto & Windus; 2015. p. 160.

    For a patient to consciously fake illness is rare. There are always rumours, the woman who put blood in her own urine to convince people that she had a serious kidney disease, the man who rubbed dirt into his wound to cause a deliberate infection. But most doctors will see such behaviour only once or twice in their careers, if at all. And yet somehow the shadow of those who deceive hangs over every person who is deemed to have a physical illness that does not have an organic cause.

    Dr. O’Sullivan tells the story of the only case of malingering she believes she encountered. She had a patient in a wheelchair, claiming to be paralyzed. All kinds of alarm bells were going off, and she suspected malingering but couldn’t really do much with it. Not long after, on her way to lunch, she passed the patient on the street, where he was standing up and loading his wheelchair into the back of the car. He turned, saw her, and said, “Oh shit.” Busted!

  58. Sapolsky RM. Why Zebras Don’t Get Ulcers. 3rd ed ed. New York: Times Books; 2004. chapter 12, “Aging and death.” Sapolsky explains how there are some confirmed examples of species with biologically programmed deaths — like salmon — that pull their own plug with a flood of stress hormones. They literally poison themselves to death with glucocorticoids, which massively accelerates degeneration. Anything is toxic in excess, so this doesn’t necessarily mean that more moderate doses of glucocorticoids cause premature aging, but it is certainly possible.
  59. For instance, inflammation is synoymous with immune system activity, which may increase erratically — and permanently — over the years we encounter more microorganisms. The antibodies we develop to fight those infections sometimes match our own tissues, which is basically the modern theory of autoimmune disease. So inflammaging may basically be mild autoimmune disease… or not-so-mild, but not readily classifiable as one of the main autoimmune diseases. For more detail about this secondary, explanatory idea, see the inflammation article.
  60. Mascarenhas 2020, op. cit.
  61. Thieme 2017, op. cit. The four different organizations that produced the guidelines each looked a great deal of research with impressively little overlap: not a single study was referenced by all four, for instance, and 35% was the highest citation overlap reached between any two of them!
  62. Because opioids are generally ineffective for chronic non-cancer pain and because they are too dangerous: not just the risk of dependence, but also a scary and alarmingly non-rare backfire effect in which opioids actually increase chronic widespread pain (“opioid hyperalgesia,” see Lee, Grace). For more information, see Opioids for Chronic Aches & Pains.
  63. Mascarenhas 2020, op. cit. Referring to CBT, antidepressants, and CNS depressants, Mascarenhas et al concluded: “Some therapies may reduce pain and improve QOL in the short to medium term, although the effect size of the associations might not be clinically important to patients.” In fact, the associations between these treatments and good outcomes were “were small and did not exceed the minimum clinically important change (2 points on an 11-point scale for pain and 14 points on a 101-point scale for quality of life).”
  64. Rain C, Seguel W, Vergara L. Does exercise improve symptoms in fibromyalgia? Medwave. 2015 Dec;15 Suppl 3:e6335. PubMed #26730713 ❐ “We conclude that regular physical exercise probably reduces pain in patients with fibromyalgia.”
  65. Fernandes G, Jennings F, Nery Cabral MV, Pirozzi Buosi AL, Natour J. Swimming Improves Pain and Functional Capacity of Patients With Fibromyalgia: A Randomized Controlled Trial. Arch Phys Med Rehabil. 2016 Aug;97(8):1269–75. PubMed #26903145 ❐ “Swimming, like walking, is an effective method for reducing pain and improving both functional capacity and quality of life in patients with fibromyalgia.”
  66. Bidonde J, Busch AJ, Webber SC, et al. Aquatic exercise training for fibromyalgia. Cochrane Database Syst Rev. 2014 Oct;(10):CD011336. PubMed #25350761 ❐ “Low to moderate quality evidence relative to control suggests that aquatic training is beneficial for improving wellness, symptoms, and fitness in adults with fibromyalgia.”
  67. Busch AJ, Webber SC, Richards RS, et al. Resistance exercise training for fibromyalgia. Cochrane Database Syst Rev. 2013 Dec;(12):CD010884. PubMed #24362925 ❐ “The evidence (rated as low quality) suggested that moderate- and moderate- to high-intensity resistance training improves multidimensional function, pain, tenderness, and muscle strength in women with fibromyalgia.”
  68. None of that evidence is actually strong. All of those papers have positive results based on low quality evidence, because most trials have major problems. Overall the evidence looks encouraging, but it’s far from proven.
  69. Academy of Medical Royal Colleges. Exercise: The miracle cure and the role of the doctor in promoting it. AOMRC.org.uk. 2015 Feb. PainSci #53672 ❐

    This is the primary authoritative source of the quote “exercise is the closest thing there is to a miracle cure.”

  70. Gopinath B, Kifley A, Flood VM, Mitchell P. Physical Activity as a Determinant of Successful Aging over Ten Years. Sci Rep. 2018 Jul;8(1):10522. PubMed #30002462 ❐ PainSci #53004 ❐

    If you want to age well, move around a lot!

    We already know that physical activity reduces the risk of several of the major chronic diseases and increases lifespan. “Successful aging” is a broader concept, harder to measure, which encompasses not only a reduced risk of disease but also the absence of “depressive symptoms, disability, cognitive impairment, respiratory symptoms and systemic conditions.” (No doubt disability from pain is part of that equation.)

    In this study of 1584 older Australians, 249 “aged successfully” over ten years. The most active Aussies, “well above the current recommended level,” were twice as likely to be in that group. Imagine how much better they’ll do over 20 years …

  71. Geneen LJ, Moore RA, Clarke C, et al. Physical activity and exercise for chronic pain in adults: an overview of Cochrane Reviews. Cochrane Database Syst Rev. 2017 Jan;1:CD011279. PubMed #28087891 ❐

    Chronic pain, exercise, and physical activity are all heavily studied, but the result of this massive review of reviews — pooling data from more than 37,000 participants — somehow amounts only to “it’s promising, but more study needed.” It was based on hundreds of studies, but nearly all them underpowered and flawed. Garbage in, garbage out … on a huge scale! But where there’s smoke there’s probably at least a small fire: “The available evidence suggests physical activity and exercise is an intervention with few adverse events that may improve pain severity and physical function, and consequent quality of life.” But it’s far from the conclusion we’d like to see, even from underpowered studies. Obviously some kinds of pain probably respond better to exercise than others.

    (See more detailed commentary on this paper.)

    Such as fibromyalgia? Hopefully!

  72. Lima LV, Abner TS, Sluka KA. Does exercise increase or decrease pain? Central mechanisms underlying these two phenomena. J Physiol. 2017 Mar. PubMed #28369946 ❐ “Regular physical activity is recommended for treatment of chronic pain and its effectiveness has been established in clinical trials for people with a variety of pain conditions. However, exercise can also increase pain making participation in rehabilitation challenging for the person with pain.”
  73. For instance, in this bad example article with a high Google rank, no attempt is made to distinguish between fibromyalgia, chronic fatigue syndrome, or myalgic encephalomyelitis. “Pacing” is recommended to all, as if there were no difference between the conditions. Caveat lector!
  74. CoyneOfTheRealm.com [Internet]. Coyne J. Uninterpretable: Fatal flaws in PACE Chronic Fatigue Syndrome; 2017 August 17 [cited 18 Jan 18]. Psychiatrist James Coyne has written extensively about PACE-gate. This is his overview of the topic, but there’s much more.
  75. www.virology.ws [Internet]. Tuller D. Trial by Error: The Troubling Case of the PACE Chronic Fatigue Syndrome Study; 2017 August 17 [cited 18 Jan 18].

    Tuller starts his exhaustive explanation of the PACE debacle with a juicy selection of damning expert opinions:

    Dr. Bruce Levin, Columbia University: “To let participants know that interventions have been selected by a government committee ‘based on the best available evidence’ strikes me as the height of clinical trial amateurism.”

    Dr. Ronald Davis, Stanford University: “I’m shocked that the Lancet published it … . The PACE study has so many flaws and there are so many questions you’d want to ask about it that I don’t understand how it got through any kind of peer review.”

    Dr. Arthur Reingold, University of California, Berkeley: “Under the circumstances, an independent review of the trial conducted by experts not involved in the design or conduct of the study would seem to be very much in order.”

    Dr. Jonathan Edwards, University College London: “It’s a mass of un-interpretability to me … All the issues with the trial are extremely worrying, making interpretation of the clinical significance of the findings more or less impossible.”

    Dr. Leonard Jason, DePaul University: “The PACE authors should have reduced the kind of blatant methodological lapses that can impugn the credibility of the research, such as having overlapping recovery and entry/disability criteria.”

  76. Shepherd CB. PACE trial claims for recovery in myalgic encephalomyelitis/chronic fatigue syndrome - true or false? It's time for an independent review of the methodology and results. J Health Psychol. 2017 Aug;22(9):1187–1191. PubMed #28805522 ❐

    ABSTRACT


    The PACE trial set out to discover whether cognitive behaviour therapy and graded exercise therapy are safe and effective forms of treatment for myalgic encephalomyelitis/chronic fatigue syndrome. It concluded that these interventions could even result in recovery. However, patient evidence has repeatedly found that cognitive behaviour therapy is ineffective and graded exercise therapy can make the condition worse. The PACE trial methodology has been heavily criticised by clinicians, academics and patients. A re-analysis of the data has cast serious doubts on the recovery rates being claimed. The trust of patients has been lost. The medical profession must start listening to people with myalgic encephalomyelitis/chronic fatigue syndrome if trust is going to be restored.

  77. Booth J, Moseley GL, Schiltenwolf M, et al. Exercise for chronic musculoskeletal pain: A biopsychosocial approach. Musculoskeletal Care. 2017 12;15(4):413–421. PubMed #28371175 ❐
  78. Lagerman P. Reasoning exercise dosage for people with persistent pain. In Touch. 2018 Autumn;(164):30–35. PainSci #52992 ❐ “Incorporating a measure such as the SUDS exchange the word “pain” for the word “distress,” thus considering the wider psychosocial factors that so commonly accompany the postural, structural, and biomechanical aspects of persistent pain.”
  79. Staud R, Robinson ME, Weyl EE, Price DD. Pain variability in fibromyalgia is related to activity and rest: role of peripheral tissue impulse input. J Pain. 2010 Dec;11(12):1376–83. PubMed #20451465 ❐

    Does activity help fibromyalgia or make it worse? Is rest necessary? Maybe a combination of both is the best answer? This is a study of the effects of alternating exercise with rest on 34 FM patients and 36 age-related healthy controls. Strenuous activity was reported as painful for most FM patients, but overall “clinical pain consistently decreased during the rest periods.” Their conclusions:

    Alternating strenuous exercise with brief rest periods not only decreased overall clinical pain of FM subjects but also their mechanical hyperalgesia. No prolonged worsening of overall FM pain and hyperalgesia occurred despite vigorous muscle activity. Our findings contribute further evidence that FM pain and hyperalgesia are at least partially maintained by muscle impulse input, and that some types of exercises may be beneficial for FM.

  80. Nijs J, Kosek E, Van Oosterwijck J, Meeus M. Dysfunctional endogenous analgesia during exercise in patients with chronic pain: to exercise or not to exercise? Pain Physician. 2012 Jul;15(3 Suppl):ES205–13. PubMed #22786458 ❐

    Exercise is great medicine for many chronic pain conditions, but there is an important “but”: it’s unclear if it’s a bandaid or if it actually “has positive effects on the processes involved in chronic pain (e.g. central pain modulation).” This narrative review concludes that it’s complicated and it depends, and some patients definitely have a “dysfunctional response” to exercise, and thus “exercise therapy should be individually tailored with emphasis on prevention of symptom flares.”

  81. Hooten WM, Qu W, Townsend CO, Judd JW. Effects of strength vs aerobic exercise on pain severity in adults with fibromyalgia: A randomized equivalence trial. Pain. 2012 Apr;153(4):915–23. PubMed #22341565 ❐

    People with fibromyalgia, and many other forms of chronic pain, often benefit from exercise. But what works better: strength training or aerobics? In these fibromyalgia patients, both types of exercise were effective: “This study found that strength and aerobic exercise had equivalent effects on reducing pain severity among patients with fibromyalgia.”

  82. Andrade A, de Azevedo Klumb Steffens R, Sieczkowska SM, Peyré Tartaruga LA, Torres Vilarino G. A systematic review of the effects of strength training in patients with fibromyalgia: clinical outcomes and design considerations. Adv Rheumatol. 2018 Oct;58(1):36. PubMed #30657077 ❐

    This is a systemic review of 22 studies of strength training for fibromyalgia which found that there is evidence of benefit that several weeks of moderate strength training will reduce pain, fatigue, depression, and anxiety. This is a rare example of a review that doesn’t have a “garbage in, garbage out” problem: the evidence may actually be adequate! Imagine.

    That said, we have to overlook the fact that the reviewers respected “tender points” as a diagnostic criteria… almost a decade after they’ve been eliminated from the official criteria (see Wolfe).

  83. Ellingson LD, Stegner AJ, Schwabacher IJ, Koltyn KF, Cook DB. Exercise Strengthens Central Nervous System Modulation of Pain in Fibromyalgia. Brain Sci. 2016 Feb;6(1). PubMed #26927193 ❐ PainSci #53576 ❐ “…exercise appeared to stimulate brain regions involved in descending pain inhibition in FM patients, decreasing their sensitivity to pain. Thus, exercise may benefit patients with FM via improving the functional capacity of the pain modulatory system.”
  84. Hyland ME, Hinton C, Hill C, et al. Explaining unexplained pain to fibromyalgia patients: finding a narrative that is acceptable to patients and provides a rationale for evidence based interventions. Br J Pain. 2016 Aug;10(3):156–61. PubMed #27583142 ❐ PainSci #53579 ❐

    In the case of FM, the aim of the ‘body reprogramming’ psychoeducational group programme is to empower patients to teach their bodies messages that can be learned only through experience. The two principal messages are as follows:

    1. The world they live in is a safe place – where actions never lead to stop signals and in particular the stop signal of danger (e.g. movement does not equate to danger). Interventions include relaxation (e.g. mindfulness) and slow graded exercise, but with an emphasis on combining physical movement with a positive mental state.
    2. The world they live in is a good place – where actions are rewarding as well as being health promoting. Interventions include strategies for reducing negative cognitions and promoting positive cognitions, with an emphasis on behaviour change so as to produce a more rewarding and health promoting lifestyle.

    The body ‘learns’ these therapeutic messages through a combination of physical exercise and psychological techniques that are individualised and consistent with evidence based techniques

  85. Wang C, Schmid CH, Rones R, et al. A randomized trial of tai chi for fibromyalgia. N Engl J Med. 2010 Aug;363(8):743–54. PubMed #20818876 ❐

    The study, funded by The National Center for Complementary and Alternative Medicine, shows that taiji has some beneficial effects for fibromyalgia patients. However, there’s nothing the least bit mystical about that, and it has no business being presented like a victory for “alternative” medicine. This is interesting in itself, but it is also the second embarrassing example of this in the New England Journal of Medicine (see Berman). See Dr. David Gorski’s detailed analysis: Tai chi and fibromyalgia in the New England Journal of Medicine.

  86. For many people, the mysticism and ritual of exercise like taiji, yoga, and meditation is big a turn off, not a selling point. Read more about the tyranny of yoga and meditation.
  87. Yes, I do know that “begs the question” actually refers to a logical fallacy (in which a statement or claim is assumed to be true without evidence other than the statement or claim itself). However, popular abuse of the term for decades has tipped the scales so far towards the new meaning that resistance is futile: I side with Merriam Webster in relegating the original meaning to a formal, secondary sense of the term.
  88. Rhee JM, Shamji MF, Erwin WM, et al. Nonoperative management of cervical myelopathy: a systematic review. Spine (Phila Pa 1976). 2013 Oct;38(22 Suppl 1):S55–67. PubMed #23963006 ❐
  89. Upper cervical instability involves loss of integrity in a critical ligament in the upper spine. If you flex too much, the consequences are severe: a spear of vertebral bone digs into the spinal cord, causing violent disorientation and nausea, or even death in extreme cases. People with this condition have little choice but to avoid neck flexion! It can be surgically repaired, but it’s a serious operation, and many patients choose to avoid that. So they’re either avoiding neck flexion or surgery, making it a more or less perfect analogy to the PC3 question … just with a much clearer risk.
  90. There are some classic signs of myelopathy that a neurologist can assess, and some that anyone might notice (e.g. really sensitive tendon reflexes, missing gag reflex). But their absence isn’t a deal-breaker: the PC3-fibromyalgia link is based on the idea that there is not any frank myelopathy, just subtle symptoms (like the unusual phenomenon of dysautonomia). If there was relatively obvious myelopathy, it wouldn’t be much of a clinical puzzle! It would just be diagnosed as myelopathy, one would hope. So the absence of clinical signs of myelopathy would be any kind of a deal-breaker for this particular diagnosis. But if they were present, that really boosts the diagnostic confidence that there is serious organic trouble with a spinal cord.
  91. “Tendinitis” versus “tendonitis”: Both spellings are acceptable these days, but the first is the more legitimate, while the second is just an old misspelling that has become acceptable only through popular use, which is a thing that happens in English. The word is based on the Latin “tendo” which has a genitive singular form of tendinis, and a combining form that is therefore tendin. (Source: Stedmans Electronic Medical Dictionary.)

    “Tendinitis” vs “tendinopathy: Both are acceptable labels for ticked off tendons. Tendinopathy (and tendinosis) are often used to avoid the implication of inflammation that is baked into the term tendinitis, because the condition involves no signs of gross, acute inflammation. However, recent research has shown that inflammation is actually there, it’s just not obvious. So tendinitis remains a fair label, and much more familiar to patients to boot.

  92. Bäckryd 2017, op. cit.
  93. Walitt B, Klose P, Fitzcharles MA, Phillips T, Häuser W. Cannabinoids for fibromyalgia. Cochrane Database Syst Rev. 2016 Jul;7:CD011694. PubMed #27428009 ❐ PainSci #52139 ❐

    This is a 2016 review of… hang on a sec, am I reading this right?•rubs eyes, blinks• Just two trials? Oh dear. Two small trials of 32 and 40 subjects. I have never seen a review of just two trials before, but I suppose it’s technically the minimum to be considered a review!

    Both studies used nabilone, which is a synthetic cannabinoid. The results were rotten: it didn’t work, and it had a lot of side effects: “We found no convincing, unbiased, high quality evidence suggesting that nabilone is of value in treating people with fibromyalgia. The tolerability of nabilone was low in people with fibromyalgia.”

    Alrighty then! For whatever it’s worth.

    The actual story here is that cannabis for fibromyalgia hasn’t really been studied. (Nabilone barely counts, even if it was 20 studies.)

  94. Kurlyandchik I, Tiralongo E, Schloss J. Safety and Efficacy of Medicinal Cannabis in the Treatment of Fibromyalgia: A Systematic Review. J Altern Complement Med. 2020 Dec. PubMed #33337931 ❐

  95. Sutherland AM, Clarke HA, Katz J, Katznelson R. Hyperbaric Oxygen Therapy: A New Treatment for Chronic Pain? Pain Pract. 2016 06;16(5):620–8. PubMed #25988526 ❐
  96. Efrati S, Golan H, Bechor Y, et al. Hyperbaric oxygen therapy can diminish fibromyalgia syndrome--prospective clinical trial. PLoS One. 2015;10(5):e0127012. PubMed #26010952 ❐ PainSci #53581 ❐
  97. Goebel A, Krock E, Gentry C, et al. Passive transfer of fibromyalgia symptoms from patients to mice. J Clin Invest. 2021 Jul;131(13). PubMed #34196305 ❐ PainSci #52110 ❐

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