An anticonvulsant used in the treatment of generalized tonic clonic and complex partial epilepsy. Also available as p. sodium, with the same uses as p.. SYN: 5,5-diphenylhydantoin.
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phe·nyt·o·in fə-'nit-ə-wən n an anticonvulsant used in the treatment of epilepsy often in the form of its sodium salt C15H11N2NaO2 called also diphenylhydantoin see DILANTIN
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n.
an anticonvulsant drug used to control major and focal epileptic seizures. It is administered by mouth or injection; the side-effects may include gum hypertrophy, hirsutism, and skin rashes. Overdosage causes unsteadiness. Trade name: Epanutin.
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phen·y·to·in (fenґĭ-toin″) [USP] an anticonvulsant used in the treatment of epilepsy other than the petit mal type, the treatment of status epilepticus, and the prevention and treatment of seizures associated with neurosurgery; administered orally. Called also diphenylhydantoin.Medical dictionary. 2011.