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  • Title: Drug reaction with eosinophilia and systemic symptoms in a cohort of Asian children.
    Author: Han XD, Koh MJ, Wong SMY.
    Journal: Pediatr Dermatol; 2019 May; 36(3):324-329. PubMed ID: 30920020.
    Abstract:
    BACKGROUND/OBJECTIVES: Drug reaction with eosinophilia and systemic symptoms (DRESS) is rare but potentially fatal in children. Fever and rash, which are salient features of DRESS, may mimic other commonly encountered pediatric conditions. We profiled the DRESS cases in a tertiary children's hospital in Singapore. METHODS: The medical records of all pediatric DRESS patients diagnosed from 2006 to 2016. Data on epidemiology, inciting drugs, clinical, pathologic manifestations, and treatment were assessed. RESULTS: Ten patients aged 4-16 years old were diagnosed with DRESS within the 10-year period. Drugs implicated were antibiotics, such as trimethoprim-sulfamethoxazole, and anticonvulsants, such as carbamazepine, phenobarbitone, and levetiracetam. All patients had fever and pruritic exanthems. Desquamation, purpura, and oral mucositis were also observed. Lymphadenopathy, hepatomegaly, and facial edema occurred frequently. There was liver involvement in all cases, but none progressed to liver failure. Seven patients had eosinophilia, and nine had atypical lymphocytosis. Other laboratory abnormalities included low hemoglobin, thrombocytosis, and prolonged coagulation times. All patients received systemic corticosteroids of varying durations and dosages. Systemic steroids were weaned after 19 days to 4 months. Disease resolution, with liver enzyme levels returning to normal, occurred within 28-90 days. One patient developed TSH-receptor-antibody-positive hyperthyroidism 6 months after the onset of DRESS, while another patient developed chronic urticaria 4 months after resolution of DRESS. CONCLUSION: Early recognition of DRESS is important to ensure that the inciting drug is discontinued, and supportive treatment started expediently. Liver involvement was very common but responded well to systemic steroids.
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