Ethosuximide
Works by reducing abnormal electrical activity in the brain that causes temporary loss of consciousness (absence seizures).
Dosage by Body Weight
Initial dose for 3-6 years: 15 mg/kg/day. For >6 years: 250 mg twice daily. Titrate slowly.
- Body Weight
- 10-20 kg
- Dose
- 250 mg total daily
- Frequency
- Once or divided into two
- Tracking Notes
- Increase by 250mg every 4-7 days until control is achieved.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| 10-20 kg | 250 mg total daily | Once or divided into two | Increase by 250mg every 4-7 days until control is achieved. |
Formulation
Purpose
Primary medication for absence (petit mal) seizures.
Generic Name
EthosuximideBranded Drug Names
Ethosuximide is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:
Scheduled Drug
Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.
Alternatives
Safety Advice
Alcohol
UNSAFEEthosuximide: Alcohol can significantly increase drowsiness, dizziness, breathing problems, or seizure risk. Avoid alcohol unless a specialist says otherwise.
Pregnancy
CAUTIONEthosuximide: Use in pregnancy only under specialist advice because seizure control and fetal risks must be carefully balanced.
Breast Feeding
SAFE IF PRESCRIBEDEthosuximide: May pass into breast milk and can cause infant drowsiness or feeding issues. Use only with healthcare provider guidance.
Driving
CAUTIONEthosuximide: Can cause drowsiness, slowed reaction time, dizziness, or blurred vision. Avoid driving until you know how it affects you.
Liver
CAUTIONEthosuximide: Some anti-seizure medicines can affect liver function and may require blood tests or dose adjustments.
Kidney
CAUTIONEthosuximide: Some anti-seizure medicines require dose adjustment in kidney impairment. Use under medical supervision.