ethosuximide · Medicine question

How is ethosuximide thought to reduce seizure frequency?

iatroX medicinesPublished 8 November 2026

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Ethosuximide is thought to reduce seizure frequency by depressing the motor cortex and raising the threshold to convulsive stimuli, reflected in suppression of the characteristic spike-and-wave EEG pattern.

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Ethosuximide Aristo 250mg/5ml oral solutionAristo Pharma Limited · emc · SmPC §5.1 Pharmacodynamic properties · Version 3Document updated 8 April 2026

Sources checked 8 November 2026

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