skip to main content

Herpes zoster — USMLE Step 3 MCQ

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

ModerateAmbulatory Medicine / Primary CareHerpes zosterUSMLE Step 3

A 64-year-old woman presents 36 hours after developing a painful vesicular rash in a T7 dermatomal distribution. She has no ocular involvement and normal renal function. 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: AStart oral valacyclovir

Antiviral therapy within 72 hours reduces duration and severity of herpes zoster.

Reference: CDC clinical guidance