Eptoin 100
Eptoin 100 is a tablet made by Abbott that contains Phenytoin 100 mg. Phenytoin is a anti-epileptic: prevents seizures.
| Ingredient (salt) | Amount |
|---|---|
| Phenytoin | 100 mg |
What it is used for
Prevents seizures.
How it works
An older anti-epileptic for many seizure types, with a narrow safe range and many interactions.
How to take it
Take at the same time daily; blood levels are checked. Do not switch brands without advice.
Common side effects
- Gum overgrowth
- Unsteadiness
- Drowsiness
- Coarse facial features and body hair with long use
Get medical help straight away if
- Unsteadiness, double vision or slurred speech (level too high)
- Severe rash with fever
Be careful
Narrow safe range: blood tests may be needed; can cause gum swelling.
Other medicines and interactions
Very many interactions: it lowers levels of hormonal contraceptives, warfarin, steroids and many others; fluconazole, isoniazid and others raise its level.
Pregnancy and breastfeeding
Plan pregnancy with your neurologist and take folic acid; some anti-epileptics carry higher birth-defect risks. Never stop suddenly. Ask about breastfeeding.
Common questions
What is Eptoin 100?
Eptoin 100 is a tablet by Abbott containing Phenytoin 100 mg.
What is Eptoin 100 used for?
Prevents seizures.
How should I take Eptoin 100?
Take at the same time daily; blood levels are checked. Do not switch brands without advice. Always follow the dose your doctor or the pack gives.
What are the side effects of Eptoin 100?
Common side effects include: Gum overgrowth, unsteadiness, drowsiness, coarse facial features and body hair with long use. Get medical help straight away for: Unsteadiness, double vision or slurred speech (level too high), severe rash with fever.
Does Eptoin 100 need a prescription?
Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.
Can I take Eptoin 100 in pregnancy or while breastfeeding?
Plan pregnancy with your neurologist and take folic acid; some anti-epileptics carry higher birth-defect risks. Never stop suddenly. Ask about breastfeeding.
What are the substitutes for Eptoin 100?
We have no other brand with exactly the same composition and strength in our list yet. Ask your pharmacist for an equivalent.
Sources and further reading
- Phenytoin: NHS · MedlinePlus
NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.
Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.
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