Drug Rash With Eosinophilia and Systemic Symptoms (DRESS Syndrome) [letter]

Drug rash with eosinophilia and systemic symptoms (DRESS syndrome), also known as drug-induced hypersensitivity syndrome, is a severe condition caused by drug treatment, most frequently anticon­vulsants. It is defined by the presence of a cutane­ous drug eruption in combination with hematologic abnormalities, mainly hypereosinophilia or the pres­ence of atypical lymphocytes and at least one of the following systemic findings: enlarged lymph nodes, abnormal liver function, renal impairment, or pulmo­nary or cardiac infiltrates.