A patient experiences diffuse rash and eosinophilia two week…
A patient experiences diffuse rash and eosinophilia two weeks after starting a new anticonvulsant. The nurse practitioner recognizes this as: an idiosyncratic nonimmune reaction causing immune-induced dermatitis. a cross-sensitivity response related to prior anticonvulsant use. a predictable dose-related side effect that will self-resolve. a delayed type IV hypersensitivity reaction requiring drug discontinuation.