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Herpes zoster — MCCQE Part 1 MCQ

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EasyRashHerpes zosterMCCQE Part 1

A 70-year-old woman has a painful vesicular rash in a unilateral thoracic dermatomal distribution for 36 hours. Which of the following is the most appropriate treatment?

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Correct answer: B — Oral antiviral therapy such as valacyclovir started promptly

Dermatomal painful vesicles in an older adult indicate shingles, and antivirals are most useful when started early or in high-risk cases. Pain control and advice about exposure to susceptible contacts are important. Antibiotics are only needed if secondary bacterial infection develops.

Reference: Canadian Immunization Guide herpes zoster chapter; Canadian dermatology practice