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Croup treatment — USMLE Step 3 MCQ

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ModeratePediatrics (well-child, chronic management)Croup treatmentUSMLE Step 3

A 2-year-old girl has barking cough and mild stridor only when agitated. Oxygen saturation is 99%, and she is drinking fluids. There is no drooling. Which of the following is the most appropriate next step in management?

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

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Correct answer: D — Give dexamethasone

Dexamethasone improves symptoms in croup of any severity; nebulized epinephrine is reserved for moderate to severe stridor at rest.

Reference: American Academy of Pediatrics clinical practice guidance and Bright Futures preventive care