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

Complex regional pain syndrome

Also known as: Reflex sympathetic dystrophy

Disproportionate limb pain after injury with autonomic changes.

Medical specialty
Rheumatology
Subspecialty
Rheumatology / Soft tissue disorders
Sex & age distribution
Male: affected; Female: affected, 3:1; Children: yes, adolescent girls
Gene(s) involved
HLA-B62, HLA-DQ

Etiology & mechanism

Neuroinflammation and sensitization.

Gene(s) involved (2)

HLA-B62HLA-DQ

Symptoms & signs (6)

allodyniaburning painskin color changesstiffnessswellingtemperature changes
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.