As nouns the difference between phenobarbital and primidone
is that phenobarbital is a barbiturate drug used as a sedative while primidone is an anticonvulsant of the pyrimidinedione class whose active metabolites, phenobarbital and phenylethylmalonamide, are also anticonvulsants.
phenobarbital
English
Noun
(-)
(pharmaceutical drug) A barbiturate drug used as a sedative.
Synonyms
*phenobarbitone
*purple heart
*sodium thiopental
primidone
English
Noun
(
-)
(
wikipedia primidone)
An anticonvulsant of the pyrimidinedione class whose active metabolites, phenobarbital and phenylethylmalonamide, are also anticonvulsants.