Fibromyalgia · the figures

340,000 people. Not yet a recognised disease.

Fibromyalgia is often dismissed as vague or imaginary. The figures tell a different story: it is one of the most common chronic pain syndromes, and even the Health Council believes that its seriousness is not sufficiently recognised.

How common it is

Bigger than you think

~340.000

people in the Netherlands are estimated to have fibromyalgia, according to patient association F.E.S.

March 2024

the Health Council advised the Minister of Health, Welfare and Sport to treat fibromyalgia to still be recognised as a serious health problem.

~80 to 90%

of people with fibromyalgia are women.

Recognition by an advisory body is not the same as recognition in practice. Fibromyalgia does not have its own code in the ICD-11, the international disease classification, but since 2019 it falls under the broader category of 'chronic widespread pain'. This makes it easier to continue to treat it as vague in practice.
What is striking

No test, but a score

The diagnosis is based on the fibromyalgia score: a sum of a pain score (how many of the 19 identified body points are painful) and a symptom score for fatigue, sleep and concentration, ranging from 0 to 31. A score of 12 or higher points in the direction of fibromyalgia, but it remains a clinical assessment, not a lab result.

“There is no blood value that shows how bad the pain is. That makes it easy to doubt what you cannot measure.”

Why it was missed is

It is not in the patient, but in the look

No biomarker

Without a measurable abnormality, fibromyalgia falls outside the type of evidence that assessors prefer to look at

Symptoms overlap with other conditions

Fatigue, pain and concentration problems also occur with other conditions, which makes the distinction difficult.

No separate ICD-11 code

Fibromyalgia falls under the broader category of chronic widespread pain, which limits its visibility in figures and policy decreases.

What the numbers do not tell

What does and does not count

Yes counted

What is visible

  • People with a confirmed diagnosis by the rheumatologist
  • Results of multidisciplinary pain rehabilitation programs
  • Research into medication such as pregabalin and duloxetine
Not counted

What is invisible remains

  • How many people saw a WIA or Wmo application fail as 'not objectifiable'
  • The years between the first symptoms and the final diagnosis
  • The mental toll of constantly having to prove that the pain is real
Sources

Where these figures come from

~340,000 people in the Netherlands
Estimate from patient association F.E.S. (Fibromyalgia and Society), cited by the Health Council and NOS. See nos.nl and the association itself at fesinfo.nl.
Health Council advice March 2024: no recognised disease yet
Health Council advice 'Fibromyalgia' (no. 2024/05) to the Minister of Health, Welfare and Sport. See gezondheidsraad.nl, summarized by NOS. See nos.nl.
ICD-11 classification under chronic widespread pain
Medically based review article on fibromyalgia with references to the ICD-11 code MG30.01. See en.wikipedia.org.
Fibromyalgia score (19 pain points + symptom score)
General practice, overview article on diagnosis and treatment of fibromyalgia. See GP.bsl.nl.
UWV assessment and discussion about objectifiability
Bezwaar-UWV.nl, about fibromyalgia and disability assessment. See bezwaar-uwv.nl.

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