Valproate-Induced Hyperammonemic Encephalopathy in General Hospital Patients With One or More Psychiatric Disorders.
Lewis Chandani, Tesar George E, Dale Roman·Psychosomatics
BACKGROUND: Divalproex sodium/valproic acid (VPA) is an antiepileptic drug approved for use in epilepsy and bipolar disorder. Valproate-induced hyperammonemia occurs in up to 50% of VPA-treated patients, some of whom may become encephalopathic. Valproate-induced hyperammonemic encephalopathy (VHE) is thought to be rare…