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Septic Arthritis%u2022Single swollen and red joint%u2022Pain on active or passive movement%u2022Fever and rigorsPresentation:%u2022Overall: Staphylococcus aureus%u2022Sexually active adults: Neisseria gonorrhoeaeCommon organisms:%u2022KneeMost commonly involved joint:%u2022Aspiration of synovial fluid%u2022Blood cultureInvestigations:%u2022Flucloxacillin for 4-6 weeks%u2022Cefotaxime or ceftriaxone (for gonococcal arthritis)Management:

