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Celontin (Methsuximide) - Description and Clinical Pharmacology

 
 



DESCRIPTION

Celontin (methsuximide) is an anticonvulsant succinimide, chemically designated as N,2-Dimethyl-2-phenylsuccinimide, with the following structural formula:

Each Celontin capsule contains 300 mg methsuximide, USP. Also contains starch, NF. The capsule contains colloidal silicon dioxide, NF; D&C yellow No. 10; FD&C yellow No. 6; gelatin, NF; and sodium lauryl sulfate, NF.

CLINICAL PHARMACOLOGY

Methsuximide suppresses the paroxysmal three cycle per second spike and wave activity associated with lapses of consciousness which is common in absence (petit mal) seizures. The frequency of epileptiform attacks is reduced, apparently by depression of the motor cortex and elevation of the threshold of the central nervous system to convulsive stimuli.

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