Etiology of Reactive arthritis

Following an infection of Gastro Intestinal or Genito Urinary tract triggers the onset of the disease.

  • GI Tract: Shigella, Salmonella, Yersinia, Campylobactor
  • GU Tract: Chalmydia trachomatis, Mycoplasma genitalium

Most of the patients are associated with HLA-B27

Antigens from the pathogens are present in synovial fluid.

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