Drug reaction with eosinophilia and systemic symptoms (DRESS) caused by sulfasalazine: a case report and literature review

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Drug-induced hypersensitivity syndrome (DIHS) or drug reaction with eosinophilia and systemic symptoms (DRESS) is a rare, potentially fatal systemic reaction characterized by multiorgan damage involving the liver, hematopoietic system and skin, and heterogeneous manifestations of fever, rash, lymphadenopathy and eosinophilia with unpredictable course. We describe a 41-year-old female patient who developed DRESS syndrome after taking sulfasalazine prescribed for non-radiographic axial spondyloarthritis. Treatment with intravenous and then oral glucocorticoids was effective. A review of the literature on this topic is presented.