Septic Arthritis
NICE BNF Treatment summaries Musculoskeletal system infections, antibacterial therapy
Article Last Updated:23/09/2025
Guidelines
Antibiotic Therapy
1st line:
- Flucloxacillin for 4-6 weeks
Alternative:
- If penicillin allergic: cllindamycin
- If MRSA suspected: vancomycin / teicoplanin
- If gonococcal arthritis / Gram -ve infection suspected: cefotaxime / ceftriaxone