phenylethylbarbituric acid -->
medical dictionary


A barbiturate used as a sedative and an anticonvulsant. It was used as an anti-anxiety agent but has been supplanted by benzodiazepines for that purpose. It may also be useful in the treatment of neonatal hyperbilirubinaemia and in the symptomatic treatment of opiate withdrawal in mothers and infants.

Pharmacological action: anticonvulsants, gaba modulators, sedatives, barbiturate.

Chemical name: 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-ethyl-5-phenyl-

(12 Dec 1998)