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Anaphylaxis child — USMLE Step 3 MCQ

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EasyPediatrics (well-child, chronic management)Anaphylaxis childUSMLE Step 3

A 6-year-old boy develops diffuse urticaria, wheezing, vomiting, and lip swelling minutes after eating peanuts. Blood pressure is 82/50 mm Hg, heart rate is 132/min, and oxygen saturation is 92%. 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: C — Administer intramuscular epinephrine

Anaphylaxis with airway, breathing, circulation, or gastrointestinal involvement requires immediate intramuscular epinephrine.

Reference: AAP anaphylaxis guidance: https://www.aap.org/