skip to main content

Community-acquired pneumonia — USMLE Step 3 MCQ

Instant feedback + full explanation. One question, done properly.

ModerateAmbulatory Medicine / Primary CareCommunity-acquired pneumoniaUSMLE Step 3

A 39-year-old woman has fever, cough, pleuritic pain, and right lower-lobe crackles. Chest x-ray shows a focal infiltrate. She is otherwise healthy, not hypoxemic, and has no recent antibiotic use. Which of the following is the most appropriate next step in management?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: ATreat as an outpatient with amoxicillin

Healthy outpatients with community-acquired pneumonia can be treated with oral amoxicillin when local resistance and comorbidity considerations are suitable.

Reference: ATS/IDSA Community-Acquired Pneumonia Guideline