Fibromyalgia — What Actually Helps?

The current 2016 American College of Rheumatology (ACR) criteria, a revision of the 2010/2011 criteria, base diagnosis on two indices: the Widespread Pain Index (WPI — the number of painful body areas on a 0–19 scale) and the Symptom Severity Scale (SSS — assessing fatigue, unrefreshing sleep, cognitive symptoms, and somatic symptoms, on a 0–12 scale). Diagnosis is made with WPI ≥7 and SSS ≥5, or WPI 4–6 and SSS ≥9, with symptoms needing to persist at a similar level for at least 3 months, and pain needing to involve at least 4 of 5 defined body regions.

Central sensitization is a state in which the central nervous system amplifies the processing of sensory stimuli across multiple systems at once — with neuronal plasticity that increases sensitivity to future stimulation. In practice, this manifests as hyperalgesia (an exaggerated pain response to a stimulus that would normally hurt less), allodynia (feeling pain from stimuli that normally don't hurt at all, e.g., light touch), and a weakening of the natural, descending pain-inhibiting mechanisms.

This multifactorial picture explains why fibromyalgia rarely responds well to a single intervention targeting only one mechanism — for instance, a peripherally acting painkiller alone, without any effect on central pain processing, often brings limited relief. It also explains why approaches combining several strategies at once (movement, sleep, symptom-targeted drug therapy) have better research support than any one of them alone.

The practical takeaway from this data is fairly concrete: strength and aerobic training have the strongest evidentiary support for reducing pain, while stretching alone — though pleasant and good for quality of life — isn't enough on its own if the goal is a real reduction in pain. This matters because many fibromyalgia patients, fearing that pain will worsen after exertion, intuitively avoid strength training in favor of gentler stretching — the data suggest this approach, though understandable, may not deliver the maximum possible benefit.

The practical conclusion from this network meta-analysis is that it makes sense to match the drug choice to the patient's dominant symptom, rather than treating any single medication as universally "best." A patient whose main problem is insomnia and exhaustion may benefit more from amitriptyline, while a patient with dominant pain and coexisting depression may respond better to duloxetine. This reflects the multifactorial nature of the disease itself described in the previous section — there's no single neurotransmitter responsible for all the symptoms, so there's no single drug that acts optimally on all of them at once.

Unrefreshing sleep is one of the diagnostic criteria for fibromyalgia for a reason — sleep disturbances and chronic pain feed each other in a vicious cycle. Fragmentation of deep sleep (NREM stages) lowers the next day's pain threshold, and heightened pain makes it harder to fall and stay asleep the following night. We describe the mechanisms linking sleep to recovery and pain processing in more detail in our knowledge-base entry on sleep — in fibromyalgia patients, improving sleep hygiene is sometimes an intervention with a surprisingly large impact on daytime pain levels, even though it isn't directly a "treatment" for fibromyalgia itself.

A similar relationship applies to chronic stress, which we cover more extensively in our entry on chronic stress — prolonged activation of the hypothalamic-pituitary-adrenal axis and chronically elevated cortisol can intensify central sensitization and lower the pain threshold. This is one reason psychological interventions such as cognitive behavioral therapy have a place in comprehensive fibromyalgia treatment — not as "treatment for a nervous condition," but as a tool for regulating one of the real, biological factors that worsen symptoms.

This distinction has real clinical consequences. A patient whose pain is dismissed as "just stress" more often ends up on treatment mismatched to the disease mechanism (e.g., sedatives only) and less often gains access to interventions with real evidentiary support — exercise matched to their tolerance, drug therapy targeted at central pain processing, or physiotherapy. Correctly naming the mechanism isn't just a matter of vocabulary — it affects what help the patient actually receives.

Fibromyalgia is one of those topics where honesty requires admitting there's no single, satisfying answer — but that's not the same as there being no effective help at all. Movement matched to the patient's tolerance, drug therapy matched to the dominant symptom, work on sleep and chronic stress, and — where indicated — psychological support together produce real, research-measurable improvement in most patients, even if no single intervention eliminates pain entirely.