Drug reaction with eosinophilia and systemic symptoms syndrome associated with antituberculosis medications.

Drug reaction with eosinophilia and systemic symptoms is a potentially life-threatening syndrome of medication hypersensitivity associated with a wide variety of triggers. Diagnosis can be challenging, as clinical features suggest other conditions. We describe a 12-year-old boy with typical drug reaction with eosinophilia and systemic symptoms syndrome after antituberculosis therapy.