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Dermatology · Viral infections: eczema herpeticum
Sample itemA child with severe atopic dermatitis develops fever and sudden clusters of uniform, punched-out vesicles and erosions over eczematous skin. What is the best next step?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Start systemic acyclovir promptly
This is eczema herpeticum (Kaposi varicelliform eruption), a disseminated HSV infection of damaged skin. Prompt systemic acyclovir is needed to prevent viraemia, eye involvement and bacterial superinfection.
Option by option
A. Wait and observe with emollients
Observation risks dissemination and complications.
B. Give oral flucloxacillin alone
Antistaphylococcal cover may be added, but alone it does not treat HSV.
C. Start systemic acyclovir promptly (correct)
Correct. Early antiviral therapy is essential.
D. Increase potent topical steroids
Escalating steroids would worsen a herpetic infection.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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