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phenytoin

[fen-i-toh-in, fuh-nit-oh-] /ˌfɛn ɪˈtoʊ ɪn, fəˈnɪt oʊ-/
noun, Pharmacology
1.
a barbiturate-related substance, C 1 5 H 1 2 N 2 O 2 , used as an anticonvulsant in the treatment of grand mal epilepsy and in focal seizures.
Origin
1940-1945
1940-45; (di)pheny(lhydan)toin, its full chemical name; see di-1, phenyl, hydantoin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for phenytoin
  • Also, despite cessation of phenytoin, the patient's rash persisted.
  • phenytoin is a medicine used to treat convulsions and seizures.
  • phenytoin overdose occurs when someone takes too much of this medicine.
  • Drugs used for treating epilepsy, such as phenytoin and carbamazepine, can reduce thyroid levels.
British Dictionary definitions for phenytoin

phenytoin

/ˌfɛnɪˈtəʊɪn/
noun
1.
an anticonvulsant drug used in the management of epilepsy and in the treatment of abnormal heart rhythms. Formula: C15H11N2O2Na Also called diphenylhydantoin sodium
Word Origin
C20: from (di)pheny(lhydan)toin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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phenytoin in Medicine

phenytoin phen·y·to·in (fěn'ĭ-tō'ĭn, fə-nĭt'ō-)
n.
An anticonvulsant drug chemically related to the barbiturates and used most commonly in the treatment of epilepsy.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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