Valproate-induced hyperammonemic encephalopathy (VHE) is an unusual and serious complication of valproate (VA) treatment. When an early diagnosis is made, it can be reversed with VA withdrawal and early treatment for hyperammonemia. We describe the case of a 20 days old male, who developed a serious VHE after receiving VA for refractory neonatal seizures. The VHE was resolved with VA withdrawal in association with carglumic acid and other measures for hyperammonemia treatment.
Keywords: Adverse effect; Carglumic acid; Efecto adverso; Hiperamoniemia; Hyperammonemia; Infant; Neonato; Newborn; Valproate; Valproico; Ácido carglúmico ;.
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