phenobarbitone

/ˌfiːnoʊˈbɑːrbɪtoʊn/
noun
  1. Another name for the drug phenobarbital, used to treat seizures and as a sedative.
    • Phenobarbitone is commonly used in veterinary medicine for dogs with epilepsy.
    • Phenobarbitone is an older type of barbiturate still used in some countries.
    • The patient was given phenobarbitone to prevent further seizures.