2 Days Of Sore in Pediatrics — 15yo Child | Pediatric Infectious | SMLE Q#726

SMLE Question #726

Pediatrics Pediatric Infectious

Objective: OBJ-113

Last updated: February 2026
A 15-year-old boy presents with 2 days of sore throat, fever, and odynophagia. He has no cough or rhinorrhea. Examination shows tonsillar erythema with patchy exudates and tender anterior cervical lymphadenopathy. A rapid antigen detection test for group A Streptococcus is positive. Which of the following is the most common complication of this infection if left untreated?

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