This article is from the Epilepsy FAQ, by Andrew Patrick (andrew@calvin.dgbt.doc.ca) with numerous contributions by others.
Alcohol can raise and then lower the seizure threshold, and thus
increases the tendency to have a seizure. More important are
interactions between alcohol and seizure medicines. Also, some drugs of
abuse, especially cocaine and amphetamines, can cause seizures. Some
prescription medications when taken in large doses can also bring on
seizures.
 
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