A 28-year-old has rapid-onset urticaria, hypotension (BP 78/45), wheeze after a peanut exposure. What is the correct first-line treatment and dose?...

Question

A 28-year-old has rapid-onset urticaria, hypotension (BP 78/45), wheeze after a peanut exposure. What is the correct first-line treatment and dose?

Accepted Answer

IM epinephrine 0.01 mg/kg (1 mg/mL) up to 0.5 mg into the anterolateral thigh

Answer

IV diphenhydramine 50 mg

Answer

Nebulized albuterol only

Answer

IV methylprednisolone 125 mg

Answer

Place supine and observe only

us-usmle-step-2 MCQ (SBA): Anaphylaxis