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Syndrome reference sheet
Generated 12 Oct 2026
Rheumatology · Rheumatology / Soft tissue disorders

Fibromyalgia syndrome

Also known as: Fibrositis

Chronic widespread pain with fatigue and sleep disturbance.

Medical specialty
Rheumatology
Subspecialty
Rheumatology / Soft tissue disorders
Sex & age distribution
Male: affected; Female: affected, 7:1; Children: yes, adolescents
Gene(s) involved
COMT, SLC6A4

Etiology & mechanism

Central sensitization.

Gene(s) involved (2)

COMTSLC6A4

Symptoms & signs (6)

cognitive difficultiesfatigueheadachesleep disturbancetender pointswidespread pain
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.