Ethosuximide - Drug Information

Generic Name : Ethosuximide | Pronunciation : eth oh sux' I mide
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Latest prescription information about Ethosuximide. Learn how to pronounce the drug's name, its indications, dosage, how to take, when to take, when not to take, side effects, special precautions, its storage instructions and warnings if any when taken during pregnancy. Also listed are the International and Indian trade name(s) of the drug and its price list.
ICD Code : Y46.6 | Therapeutic Classification : Anticonvulsants
Drug Information

Trade Name(s): 

India : 

International : 


Why it is prescribed : 

This medication is a succinimide anticonvulsant, prescribed for epilepsy. It controls the abnormal electrical activity in the brain.

When it is not to be taken (Contraindications): 


Pregnancy Category :






Category C :

Animal studies have shown adverse effects on the fetus and there are no appropriate studies in pregnant women, but potential benefits may allow the use of the drug in pregnant women despite the potential for risks.

Dosage & When it is to be taken (Indications): 

PO- The initial dose for patients 3 to 6 years of age is one capsule (250 mg) per day; for patients 6 years of age and older, 2 capsules (500 mg) per day.

How it should be taken : 

It comes as a capsule to take by mouth, with or without food.

Warnings and Precautions : 

Caution should be exercised in patients with history of liver or kidney disease, lupus, blood disorder, mental problems including suicidal thoughts, any allergy, who are taking other medications, children less than 3 years, during pregnancy and breastfeeding.
It may cause dizziness, incoordination and drowsiness, do not drive a car, operate dangerous machinery while taking this medication.
Avoid alcohol consumption.
Proper cleaning of tooth is needed; otherwise it may cause swelling and tenderness of your gums.
Patients may develop with increased risk of suicidal thoughts; watch them carefully.
Monitor complete blood cell counts and liver and kidney functions regularly while taking this medication.

Side Effects : 

   Body As A Whole
- Allergic reaction, DRESS syndrome.

- Loss of appetite, stomach upset, nausea, vomiting, cramps, abdominal pain, weight loss and diarrhea.

- Decrease in white blood cells, platelets with or without bone marrow suppression and increase in eosinophilia.

   Central Nervous System
- Drowsiness, headache, dizziness, emotional state, hiccups, irritability, hyperactivity, lethargy, fatigue, incoordination, sleep disturbances, abnormal dreams, inability to concentrate and aggressiveness.

- Hives, Stevens-Johnson syndrome, itching, rashes and abnormal hair growth.

- Vision problem.

- Vaginal bleeding and blood in urine.

Other Precautions : 

Avoid excess dosage.

Storage Conditions : 

Store it at room temperature (25°C), and in an airtight container. Keep away from children.

Schedule : G

Drugs that are to be used only under medical supervision. ♦ Safety Labeling Changes Approved By FDA


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I need cap ethosuximide[Zarontin] in chennai. Please help me. Raja
drksrajamd  Friday, July 3, 2015
i need ethosuxmide oral solution in india for my grand son, could u please help with pharmacy i chennai or else any where in india with phone no address. your reply will be of great help to our family.
achi23  Tuesday, November 4, 2014
Where can I buy Zarontin syrup in India. Please help me. Thanks. Henry
Henryj  Monday, October 27, 2014
Is ethosuximide available in india?
I kept it in the refrigerator for few days, can I take it out now and store it at room temperature?
Aparnadas  Saturday, June 19, 2010
Does Ethosuximide stop absence seizures completely? My Son has been on it for 15 days and we see a huge decrease in the amount that he has but we notice he still has them.
Dawn  Tuesday, January 6, 2009
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