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Syndrome reference sheet
Generated 12 Oct 2026
Infectious Disease · Infectious disease / Post-infectious syndromes

Reiter syndrome

Also known as: Reactive arthritis

Arthritis, urethritis and conjunctivitis after infection.

Medical specialty
Infectious Disease
Subspecialty
Infectious disease / Post-infectious syndromes
Sex & age distribution
Male: affected, male predominance; Female: affected; Children: yes, rare
Gene(s) involved
HLA-B27

Etiology & mechanism

Immune reaction after gastrointestinal or genitourinary infection.

Gene(s) involved (1)

HLA-B27

Symptoms & signs (5)

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