vigabatrin

An irreversible inhibitor of γ-aminobutyric acid transaminase, a degradative enzyme for γ-aminobutyric acid (GABA), the inhibitory neurotransmitter. The drug intensifies the effects of GABA and thus inhibition of the central nervous system; used as an antiepileptic agent.

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vi·gab·a·trin vī-'gab-ə-trən n an anticonvulsant drug C₆H₁₁NO₂ that inhibits enzymatic degradation of gamma-aminobutyric acid

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n.

see anticonvulsant

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vi·ga·ba·trin (vi-gaґbə-trin) an anticonvulsant used as an adjunct in the treatment of epilepsy refractory to conventional treatment and to control infantile spasms; administered orally.