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Prescription requiredAbbott India LimitedAntiepileptic

Eptoin 100 Tablet

Phenytoin (100mg)

Eptoin 100 Tablet is used for epilepsy (control of focal seizures and generalized tonic-clonic seizures), prevention of seizures after head injury or neurosurgery (as prescribed).

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026

₹226₹1.88 per tablet
Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Phenytoin (100mg)
Available variants: suspension 200 Ml 200 Ml, tablet 120 Tablet 120 Tablet, tablet 120 Tablet, tablet 120 tablet
Best price: ₹226 (₹1.88 per tablet)
Prescription: Required
Manufacturer: ABBOTT INDIA LTD

Ordering notes

Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of Eptoin 100 Tablet

Eptoin 100 Tablet contains Phenytoin (100mg). It belongs to the Hydantoin anticonvulsant (Sodium channel blocker) class of medicines.

Uses of Eptoin 100 Tablet

  • Epilepsy (control of focal seizures and generalized tonic-clonic seizures)
  • prevention of seizures after head injury or neurosurgery (as prescribed)

Key benefits

  • Controls focal seizures
  • Controls generalized tonic-clonic seizures
  • Helps prevent seizure recurrence
  • Effective long-term seizure management with monitoring

How Eptoin 100 Tablet works

Phenytoin blocks voltage-gated sodium channels and stabilizes overactive neuronal membranes. This reduces abnormal electrical discharges that trigger seizures.

How to take Eptoin 100 Tablet

Take exactly as prescribed, preferably at the same time daily, with or without food. Swallow with water; do not stop suddenly. Regular blood level monitoring may be advised; maintain consistent brand and dosing schedule.

Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.

Missed dose and overdose

If you miss a dose

Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.

If you take too much

An overdose of this medicine can cause deep unconsciousness, slowed breathing and dangerous heart rhythm disturbance. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Eptoin 100 Tablet

Most side effects of Eptoin are mild and settle as the body adjusts. Reported side effects include:

  • Dizziness
  • drowsiness
  • nausea
  • vomiting
  • unsteady gait
  • nystagmus
  • gum swelling (gingival hyperplasia)
  • acne
  • increased hair growth
  • rash

Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.

Safety advice for Eptoin 100 Tablet

PregnancyUse with caution
BreastfeedingEptoin 100 mg Tablet is safe to use during lactation. Human studies have shown that either the drug does not pass into the breastmilk in significant amount or is not expected to cause toxicity to the baby.
AlcoholUse with caution
DrivingDo not drive or operate machinery while taking this medicine.
KidneyEptoin 100 mg Tablet is probably safe to use in patients with kidney disease. Limited data available suggests that dose adjustment of Eptoin 100 mg Tablet may not be needed in these patients. Please consult your doctor.
LiverEptoin 100 mg Tablet should be used with caution in patients with liver disease. Dose adjustment of Eptoin 100 mg Tablet may be needed. Please consult your doctor.
Habit formingNo

Warnings and precautions

May cause serious skin reactions (SJS/TEN) and hypersensitivity; stop and seek care if rash, fever, facial swelling occur. Long-term use can cause gum enlargement and bone weakening; maintain good oral hygiene and consider calcium/vitamin D as advised. Interacts with many medicines and reduces oral contraceptive effectiveness. Use caution in liver disease; do not abruptly discontinue due to seizure risk.

Do not take Eptoin if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Valproate-containing medicines are contraindicated in pregnancy for epilepsy unless no alternative exists, and in all women of childbearing potential without a pregnancy prevention programme. Several are not suitable in significant liver disease.

Interactions with other medicines

Warfarin (INR changes), oral contraceptives (reduced efficacy), carbamazepine, valproate, phenobarbital, benzodiazepines, azole antifungals, isoniazid, rifampicin, macrolide antibiotics, corticosteroids, alcohol (alters levels)

How to store Eptoin 100 Tablet

Store below 25°C in a dry place, protected from light and moisture.

Expert advice for Eptoin 100 Tablet

<div class="style__desktop-container___1hcBT"><div class="style__desktop-video___2GTR9"><div class="styles__video-img___1rCzR"><div class=""/><div class=""/></div></div><div><div><div><div><div class="ExpertAdviceItem__content___1Djk2"><ul><li>Eptoin 100 Tablet helps in the treatment and prevention of seizures.</li> <li><div>Take it at the same time every day to maintain consistent levels in your body.</div></li> <li>Avoid consuming alcohol when taking Eptoin 100 Tablet , as it may cause excessive sleepiness or drowsiness.</li> <li><div>It may increase blood sugar levels.Inform your doctor if you are taking any medicines to treat diabetes.</div></li> <li><div>Inform your doctor if you develop any unusual changes in mood or behavior, new or worsening depression, or suicidal thoughts or behavior.</div></li> <li>Do not take Eptoin 100 Tablet if you are pregnant or planning to conceive or breastfeeding.</li> <li>Do not stop taking the medication suddenly without talking to your doctor as it may increase the seizure frequency.</li></ul></div></div></div></div></div></div>

Manufacturer and class

Manufacturer:
ABBOTT INDIA LTD
Therapeutic class:
Antiepileptic
Drug class:
Hydantoin anticonvulsant (Sodium channel blocker)

Substitutes for Eptoin 100 Tablet

Medicines with the same active ingredient (Phenytoin (100mg)). Ask your doctor or pharmacist before switching brands.

MedicinePackPricevs Eptoin 100 Tablet
Epsolin 100 TabletZYDUS HEALTHCARE PHARMAtablet · 100`S₹18817% cheaper
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Eptoin 100 Tablet FAQs

What is Eptoin 100 Tablet used for?
Eptoin 100 Tablet is commonly used for Epilepsy (control of focal seizures and generalized tonic-clonic seizures), prevention of seizures after head injury or neurosurgery (as prescribed). Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Eptoin 100 Tablet?
Eptoin 100 Tablet contains Phenytoin (100mg). If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Eptoin 100 Tablet?
Take exactly as prescribed, preferably at the same time daily, with or without food. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Eptoin 100 Tablet work?
Phenytoin blocks voltage-gated sodium channels and stabilizes overactive neuronal membranes.
Is Eptoin 100 Tablet a prescription medicine?
Yes. Eptoin 100 Tablet is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Eptoin 100 Tablet?
The side effects reported most often with Eptoin are Dizziness, drowsiness, nausea, vomiting, unsteady gait. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Eptoin 100 Tablet be taken during pregnancy?
Use with caution Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Eptoin.
Can I drink alcohol while taking Eptoin 100 Tablet?
Use with caution
What if I miss a dose of Eptoin 100 Tablet?
Take it as soon as you remember.
Is Eptoin 100 Tablet habit forming?
No. Eptoin 100 Tablet is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Eptoin 100 Tablet?
Epsolin 100 Tablet has the same active ingredient and strength and is listed from ₹188 on PingMeDoc Pharmacy. Ask your doctor or pharmacist before switching brands, the salt is the same, but excipients and release profiles can differ.
How much does Eptoin 100 Tablet cost on PingMeDoc Pharmacy?
Eptoin 100 Tablet starts at ₹226 on PingMeDoc Pharmacy. Available in suspension 200 Ml 200 Ml, tablet 120 Tablet 120 Tablet, tablet 120 Tablet. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Eptoin 100 Tablet?
Eptoin 100 Tablet is manufactured by ABBOTT INDIA LTD. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Eptoin 100 Tablet delivered?
Eptoin 100 Tablet is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.

Eptoin 100 Tablet, Quick facts

Salt
Phenytoin (100mg)
Form
tablet
Best price
₹226 (₹1.88 per tablet)
Prescription
Required (Rx)
Schedule
Schedule H
Brand
Abbott India Limited
Manufacturer
ABBOTT INDIA LTD
Therapeutic class
Antiepileptic
Drug class
Hydantoin anticonvulsant (Sodium channel blocker)
Habit forming
No
Variants
suspension 200 Ml 200 Ml, tablet 120 Tablet 120 Tablet, tablet 120 Tablet
Delivery
Standard across India

References

The information on Eptoin 100 Tablet is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.

  1. Indian Pharmacopoeia
  2. CDSCO, manufacturer labeling, established medical literature
  3. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  4. National List of Essential Medicines (NLEM) 2022, Government of India.
  5. Manufacturer's package insert / prescribing information for Eptoin 100 Tablet.
  6. World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.

Next steps

Safety disclaimer

Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.