Definition of "primidone" [primidone]

• An anticonvulsant of the pyrimidinedione class whose active metabolites, phenobarbital and phenylethylmalonamide, are also anticonvulsants. (noun)

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• "Pregnancy have been reported in women taking anti-epileptics barbiturates, primidone, phenytoin, carbamazepine."
• "Or combine primidone or methsuximide with one or more of the others."
• "The condition, which usually starts after age 40, can be treated with the high blood pressure drug propranolol and the seizure drug primidone."