A 24-year-old woman develops diffuse urticaria, wheezing, throat tightness, and hypotension minutes after eating peanuts. Oxygen saturation is 91%.

Question

A 24-year-old woman develops diffuse urticaria, wheezing, throat tightness, and hypotension minutes after eating peanuts. Oxygen saturation is 91%. She is anxious and tachycardic. Which of the following is the most appropriate next step in management?

Accepted Answer

Administer intramuscular epinephrine

Answer

Observe without medication

Answer

Administer beta blocker

Answer

Order skin-prick testing before treatment

Answer

Give oral antihistamine as sole therapy

Anaphylaxis — USMLE Step 3 MCQ

A 24-year-old woman develops diffuse urticaria, wheezing, throat tightness, and hypotension minutes after eating peanuts. Oxygen saturation is 91%. She is anxious and tachycardic. Which of the following is the most appropriate next step in management?