methsuximide
/mɛθˈsʌksəmʌɪd/Pharmacology
noun
An anticonvulsant drug similar to but somewhat more toxic than ethosuximide, used chiefly for the treatment of refractory absence and myoclonic seizures; N,2-dimethyl-2-phenylsuccinimide, C12H13NO2.
- International Nonproprietary Name (1996): mesuximide..
Origin
1960s; earliest use found in National Formulary. From meth- (in methyl: see note s.v. meth-) + -suximide.