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 (fĕn′ĭ-tō′ĭn, fə-nĭt′ō-)
An anticonvulsant drug, C15H12N2O2, used to treat epilepsy, often in the form of its sodium salt. Also called diphenylhydantoin.



(Pharmacology) an anticonvulsant drug used in the management of epilepsy and in the treatment of abnormal heart rhythms. Formula: C15H11N2O2Na. Also called: diphenylhydantoin sodium
[C20: from (di)pheny(lhydan)toin]


(ˌfɛn ɪˈtoʊ ɪn, fəˈnɪt oʊ-)

a barbiturate-related substance, C15H12N2O2, used as an anticonvulsant in the treatment of epilepsy.
[1940–45; shortening of diphenylhydantoin= di-1 + phenyl + hydantoin a crystalline derivative of imidazole]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.phenytoin - an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative
hydantoin - any of a group of anticonvulsant drugs used in treating epilepsy


n fenitoína
References in periodicals archive ?
Results: Topiramate and phenytoin directly and indirectly reduced contractions in a time-dependent manner.
5 mg sodium phenytoin was injected in each egg of the experimental subgroup while controls were administered same volume of normal saline.
In its decision, which was reached on 6 April, the court explained no one other than Flynn has the right to use the name Phenytoin Sodium Flynn.
Among numerous of ligands, especially Phenytoin and 6-(4-chlorophenyl) imidazo [2,1-b][1,3] thiazole-5-carbald-ehyde-(3,4-dichlorobenzyl) oxime (CITCO) have been reported as CAR agonists in primary hepatocytes (Peacock, 2005; Kublbeck et al.
A total of 50 patients inducted as a study group for the use of topical phenytoin powder, and the rest 50 were followed with a classical wound dressing with p-iodine and saline wash with magnesium sulfate dressing taken as a control group.
According to CMA, after Pfizer sold marketing rights for the drug to Flynn Pharma, the price of a 100-mg pack of phenytoin sodium skyrocketed to 67.
A 60-year-old male patient with 1 month history of seizures was diagnosed with neurocysticercosis and was prescribed tablet phenytoin 100 mg twice daily to control seizures and tablet albendazole 400 mg stat for neurocysticercosis.
Thirty each were randomized to phenytoin and vaseline gauze dressing and vaseline gauze alone groups respectively.
The minimum and maximum values are virtually the same, and there is almost complete overlap of the serum phenytoin concentrations between the 2 groups.
Because not all patients on phenytoin or phenobarbitone develop gingival overgrowth, identifying patients at risk is important in order to take necessary measures to minimize the onset and severity of this condition.
A 25 year old male, known case of epilepsy and was on tablet phenytoin in the dose of 300mg /day, intermittently (during the attacks only), for the past 14 years.
Louis, MO); cortexolone, a GR inhibitor (Fisher Scientific); phenytoin plus cortexolone; and [iAs.