A 55-year-old woman presents to the doctor with a vesicular and pustular rash that appeared on her arm in a dermatomal distribution. She remembers feeling a tingling sensation on her arm approximately 2 days prior to the rash’s development, but she feels well otherwise. When asked about medication history, the patient mentioned that they are on infliximab treatment for Crohn’s and had her last infusion 4 weeks prior to today’s doctor visit.
Is it herpes zoster, folliculitis, eczema herpeticum, or allergic contact dermatitis?
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