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Cellulitis with abscess — RCPSC EM MCQ

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ModerateInfectious disease emergenciesCellulitis with abscessRCPSC EM

CTAS 3. A 34-year-old who injects drugs has a 4-cm fluctuant forearm abscess with surrounding cellulitis. Temp is 38.1°C, HR 104, and ultrasound confirms a drainable collection. There is no necrosis. What is the most appropriate initial management?

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Correct answer: EIncision and drainage plus antibiotics covering MRSA risk

A fluctuant abscess requires incision and drainage; surrounding cellulitis and injection drug use support adjunctive antibiotics with MRSA activity.

Reference: CAEP SSTI Best Practices Checklist, 2024