Neuro Pharmacology Section 1- Epilepsy: Ethosuximide Next TOPICS: Ethosuximide, blocks thalamic voltage gated T type calcium channels, first line for absence seizures, spike and wave pattern, frequency of 2.5-3.5 Hz, fatigue, GI distress, headache, itching (urticaria), Stevens Johnson syndrome Go Back Upgrade Now For Full AccessJoin Now