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Syndrome reference sheet
Generated 12 Oct 2026
Rheumatology · Rheumatology / Inflammatory myopathies

Eosinophilia–myalgia syndrome

Also known as: EMS

Fibrosing disorder linked to contaminated L-tryptophan.

Medical specialty
Rheumatology
Subspecialty
Rheumatology / Inflammatory myopathies
Sex & age distribution
Male: affected; Female: affected, more common; Children: rare
Gene(s) involved
None recorded

Etiology & mechanism

Toxic oil or tryptophan contaminant.

Gene(s) involved (0)

No gene recorded.

Symptoms & signs (5)

eosinophiliafasciitisneuropathysevere myalgiaskin induration
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.