SKU	794
Generic For	Dilantin
Strength	100 mg
Manufacturer	Abott Pharmaceticals
Active Ingredient	Phenytoin

Product Description

Eptoin 100mg (Phenytoin) – Affordable Dilantin Alternative

Eptoin 100 mg consists of active ingredient Phenytoin is a highly effective anticonvulsant. It is widely prescribed antiarrhythmic and anticonvulsant agent in the treatment of grand mal and psychomotor epilepsy. Phenytoin got the FDA approval to treat tonic-clonic seizures and complex partial seizures. The drug has also been investigated to treat more than hundred diseases such as mood, thought and behaviour disoreders, neuromuscular disorders, cardiovascular disorders, endocrine disorders and gastrointestinal disorders.

What is Eptoin 100 mg used for?

Eptoin 100 mg is used for the prevention of partial seizures, tonic-clonic seizures but not absence seizures. this is also used for certain neuropathic pain or heart arrhythmias.

Phenytoin as an anticonvulsant medicine works by decreasing abnormal electrical activity in the brain of an individual.

Precautions

What medications interact with Eptoin?

The following medicines should be avoided, in case doctor recommends you Eptoin avoid possible drug interactions.

Theophylline
Oral contraceptives
Prednisone
Warfarin
Antidepressants
Gastric acid reducers
Divalproex Sodium
Doxycycline
Aspirin
Furosemide
Divalproex Sodium
Isoniazid
Digoxin
Rifampin

When should Eptoin not be used?

Tell the doctor before taking Eptoin:

If you are hypersensitive to the drug, or its components.
If you have liver disorders.
If you have Lupus erythematosus.
If you are suffering from diabetes mellitus.
If you are suffering from a deficiency of vitamin D.
If you have a background of depression.
If you have ever had suicidal thoughts and actions.
The drug may cause dizziness. Do not drive or use machinery, while taking Phenytoin as these activities may require a high degree of mental attention.
If you are pregnant or intending to become pregnant. You should discuss the benefits and risks of taking Phenytoin during pregnancy. Breastfeeding women are advised not to take Phenytoin as it may pass into breast milk and harm the nursing baby.
The drug may cause dizziness. Do not drive or use machinery, while taking Phenytoin as these activities may require a high degree of mental attention.

Dosage Instructions

How should Eptoin be taken?

Eptoin comes in different forms such as tablets, extended-release capsules, oral suspension and chewable tablets. Eptoin is available in the form of a tablet on our website.
You may swallow the extended-release capsules with a glass of water. ER Capsules should be taken one to four times daily.
You may take the tablet once daily, with or without food, or as recommended by the doctor.
If you are consuming chewable tablet, chew the tablet well and swallow. Chewable tablet should ba taken two to three time daily.
If you have a suspension form, use a measuring tool that provides you an exact measurement. Avoid using a household spoon.
Take the tablet exactly as prescribed by the doctor. Do not alter the dosage plan.
Overdose: Seek medical attention immediately, in the case of an overdose of Phenytoin. An overdose of Phenytoin may cause:
Slurred speech
Muscle weakness or stiffness
Nausea
Lightheadedness
Shallow breathing
Vomiting
Motor incoordination

Missed Dose of Eptoin

If you have forgotten a dose, take it as soon you remember and go back to your usual dosing schedule. If the time to take the next dose is near, leave the forgotten dose and take the next dose. Do not double up the dose to compensate the missed one.

Take the tablet for as long as your doctor recommended.

How should Eptoin be stored?

Do not forget to see the expiry date of the product.
Keep the drug reach out of children.
It should not be given to anybody, even if they have the same problems.
Always keep the written record of your medications.
Store the drug away from heat nad moisture.

Side Effects

What are Side effects of Eptoin?

Like other medicines, Eptoin may cause adverse effects. Seek medical attention, in case the following troubles arise:

Loss of coordination and balance
Nervousness
Sleeping problems (Insomnia)
Blurred vision
Vomiting
Nausea
Slurred speech
Dizziness
Swollen or tender gums
Tremors
Constipation
Headache

Some adverse effects of Eptoin can be serious. Visit the doctor immediately, in the following situations.

Unusual bleeding and easy bruising
Restless muscular movement
Swelling of the face or tongue
Bone pain
Fever
Severe drowsiness
Red or purple skin rash
Sore throat
Irregular heartbeat
Unexplained tiredness
Burning sensation in eyes
Severe drowsiness
Fever
Confusion

How to Use

Infographics

FAQ

What is Eptoin 100mg used for?

Eptoin 100mg contains phenytoin 100mg, one of the oldest and most widely used anti-epileptic medicines. It is used to control partial seizures (seizures starting in one part of the brain) and tonic-clonic seizures (previously called grand mal fits, which cause loss of consciousness and convulsions throughout the body). Phenytoin is also used to prevent and treat seizures during or after brain surgery. It is taken by mouth for long-term seizure prevention.

How does phenytoin control seizures?

Phenytoin controls seizures by stabilising the membranes of nerve cells in the brain. It blocks Sodiumium channels — the electrical 'gates' on nerve cells — preventing the abnormal, rapid electrical firing that causes seizures from spreading. By reducing this excessive electrical activity, phenytoin stops seizures from occurring or reduces how often they happen. It does not cure epilepsy, but it keeps seizures under control for as long as it is taken correctly and consistently at a therapeutic dose.

Why does phenytoin require blood level monitoring?

Phenytoin is unusual because it has a narrow therapeutic window — the range between a dose that controls seizures and one that causes toxicity is small. Also, small increases in dose can cause disproportionately large increases in blood levels (called non-linear or saturable kinetics), making it easy to accidentally exceed safe levels. Blood level monitoring ensures the level stays within the therapeutic range (10–20 mg/L for most people). Your doctor will check levels regularly and whenever your dose, other medicines, or health changes.

When and how should Eptoin 100mg be taken?

Eptoin 100mg is typically taken 2–3 times daily to maintain consistent blood levels — phenytoin's levels fall more sharply between doses than many other epilepsy medicines. Take it at the same times each day with food or a full glass of milk to reduce stomach upset. Do not take it at the same time as antacids or tube feeding products, as these reduce phenytoin absorption. Swallow capsules whole. Consistency of timing and dose is essential — even a single missed dose can cause a significant drop in blood levels.

What are the long-term side effects of phenytoin?

Long-term phenytoin use can cause several notable effects. Gum overgrowth (gingival hyperplasia) — where the gums become enlarged and can grow over the teeth — is common and requires good dental hygiene and regular dental check-ups. Facial coarsening, acne, and increased body hair may develop over time. Phenytoin affects vitamin D metabolism, leading to bone thinning (osteoporosis) with prolonged use — vitamin D and calcium supplements are often recommended. Peripheral nerve damage (peripheral neuropathy) can occur with very long-term use.

Can phenytoin be taken during pregnancy?

Phenytoin carries a significant risk of causing birth defects — a group of problems known as fetal hydantoin syndrome, including cleft lip, heart defects, and growth problems. It also affects folate metabolism, increasing the risk of neural tube defects. Because of these risks, phenytoin should ideally be avoided in women of childbearing age when equally effective alternatives are available. If it must be used during pregnancy, high-dose folic acid supplementation and specialist monitoring are essential. Discuss with your neurologist urgently if you are pregnant or planning a pregnancy.

What are the signs of phenytoin toxicity?

Signs that phenytoin levels are too high include dizziness, unsteadiness when walking, double or blurred vision, slurred speech, nausea, and unusual eye movements (nystagmus — where the eyes flicker sideways). These symptoms are sometimes called 'cerebellar signs' because they affect the part of the brain controlling balance and coordination. Severe toxicity can cause confusion and, paradoxically, increased seizures. If you experience these symptoms, contact your doctor urgently — a blood level check will confirm whether the dose needs reducing.

Does phenytoin interact with other medicines?

Phenytoin has many significant drug interactions. It speeds up the liver's breakdown of many medicines — including the contraceptive pill, warfarin, some antibiotics, antidepressants, and other epilepsy medicines — making them less effective. Many medicines also affect phenytoin levels — some raise them (causing toxicity) and some lower them (reducing seizure control). Examples include carbamazepine (lowers levels), fluconazole (raises levels), and isoniazid (raises levels). Always show your doctor and pharmacist a full medicines list before any changes.

What are the side effects of phenytoin?

Common short-term side effects of phenytoin include dizziness, drowsiness, unsteadiness, and nausea — particularly when doses are increased or if blood levels are too high. Skin rash occurs in a small percentage of people, usually in the first 3 months. Long-term side effects include gum overgrowth, facial changes, acne, increased body hair, vitamin D deficiency, and bone thinning. Phenytoin is associated with more cosmetic side effects than newer epilepsy medicines, which is why many doctors prefer newer alternatives, especially for young people.

Is phenytoin still a first-choice epilepsy medicine?

Phenytoin is no longer considered a first-choice epilepsy medicine in most modern treatment guidelines. Newer medicines like lamotrigine, levetiracetam, and Sodiumium valproate are generally preferred because they are effective, better tolerated, and have fewer long-term side effects. However, phenytoin remains widely used — particularly in settings where newer medicines are expensive or unavailable — and is still a valid and effective treatment for many patients. It is also used intravenously in hospitals for acute seizure management.

Can I buy Eptoin 100mg online from PremiumRxDrugs?

Yes, Eptoin 100mg (phenytoin) is available at PremiumRxDrugs.com. PremiumRxDrugs is a licensed pharmacy with over 10 years of experience supplying genuine, manufacturer-sourced epilepsy medicines worldwide. We understand how important consistent, quality-assured supply is for people relying on long-term anti-epileptic treatment. Enjoy worldwide shipping, discreet packaging, and free shipping on qualifying orders — making epilepsy management more accessible wherever you are.

How important is dental care while taking phenytoin?

Excellent dental hygiene is very important for people on phenytoin. Gum overgrowth (gingival hyperplasia) — where the gums enlarge and can become inflamed — occurs in about 20–50% of people on long-term phenytoin. The severity is strongly related to dental hygiene — people who brush and floss carefully have much less gum overgrowth. See your dentist regularly (at least every 6 months) and tell them you take phenytoin. In severe cases, surgical removal of overgrown gum tissue may be needed, though this will recur unless dental hygiene is excellent.

Eptoin 100mg