A patient develops urticaria and pruritus 5 days after beginning phenytoin for treatment of seizures. Which type of reaction is the patient most likely experiencing?

Question

Quizplus · Accepted Answer

This is indicative of a mild allergic reaction, as urticaria (hives) and pruritus (itching) are common symptoms of allergic responses to medications, and they can occur days after initial exposure to the allergen (in this case, phenytoin).

A Patient Develops Urticaria and Pruritus 5 Days After Beginning