reactive arthritis

	Headline
Etiology	Common causative infections: Chlamydia, salmonella, Campylobacter, shigella - classically linked to STI
Clinical presentation	- fever - peripheral and axial arthritis → asymmetrical oligoarticular arthritis affecting large lower limb joint - enthesitis/dactylitis (swelling of an entire finger or toe) - conjunctivitis and iritis - balanitis
Pathogenesis	XR not sensitive Bloods - exclude septic arthritis
Diagnostic investigations
Management	Expect self-resolving illness

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