Ethosuximide

Pronounced eth-oh-SUX-i-mide

Brand names: Zarontin

Type: Antiseizure medicine · All Neurology Medicines

What Ethosuximide is used for

  • Absence (petit mal) seizures
  • Absence seizures in children

Common side effects

  • Nausea
  • Stomach pain
  • Dizziness
  • Headache
  • Hiccups

Important cautions

  • Treats absence seizures only — it does not protect against convulsive seizures and is often combined with other medicines when both types occur
  • Blood counts and mood are monitored during treatment

How it comes

Capsules, liquid. This guide lists forms only — it never lists strengths or doses.

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.