Streptococcal Pharyngitis — UKMLA MCQ

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EasyInfectious DiseasesStreptococcal PharyngitisUKMLA

A 28-year-old man with severe sore throat and fever has Centor score 4. Rapid antigen test positive. First-line therapy?

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Correct answer: B — Penicillin V 500 mg bid for 10 days

Penicillin (or amoxicillin) remains first-line for GAS pharyngitis. A/C/D: Not first-line when penicillin tolerated. E: Positive test indicates treatment.

Reference: IDSA (2012): GAS Pharyngitis Guideline (Secondary Source: Most recent U.S. primary guideline)