Resumo

ROBLES FERNANDES, Louis Fernando et al. DRESS syndrome associated with the consumption of allopurinol: case report. Med. clín. soc. [online]. 2023, vol.7, n.2, pp.119-124. ISSN 2521-2281.  https://doi.org/10.52379/mcs.v7i2.282.

DRESS syndrome (Drug Reaction with Eosinophilia and Systemic Symptoms) represents severe pharmacodermia with different clinical and paraclinical manifestations secondary to a drug hypersensitivity reaction. The exact incidence is unknown, but it is estimated to be between 1 in 1,000 and 1 in 10,000 cases of exposure to associated drugs. It is characterized by extensive generalized dermatosis, in conjunction with organic involvement, lymphadenopathy, eosinophilia, and atypical lymphocytosis. Commonly associated drugs include aromatic anticonvulsants, carbamazepine, sulfonamides, and allopurinol. By using the RegiSCAR score, it is possible to confirm or rule out a suspected diagnosis. Treatment depends on the severity of presentation, including topical steroids to systemic steroids of variable duration, depending on clinical and biochemical responses. Mortality rates of 10 - 20% have been reported, with liver failure being the main cause of death in these patients. We present the case of a 71-year-old female patient who, after treatment with allopurinol, developed erythroderma secondary to DRESS Syndrome.

Palavras-chave : DRESS syndrome; Erythroderma; Pharmacodermia; Allopurinol..

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