Phenytoin Sodium

Phenytoin Sodium is an anticonvulsant that is prescribed to help manage or prevent certain types of seizures.

Dilantin, Epanutin

Phenytoin Sodium

Eptoin, Fentoin ER, Epsolin ER


Sun Pharma, Pfizer, Zydus

Capsule, Tablet

100 mg




Phenytoin is used in the treatment of epilepsy and the seizures it causes and also trigeminal neuralgia.

How it Works

Phenytoin is known as an anti-epileptic drug,Phenytoin is also called an anticonvulsant. Phenytoin works by slowing down impulses in the brain that cause seizures. Phenytoin also works by stabilizing the electrical activity of the brain, which prevents the seizures from occurring.

Common Side effects

Some of the potential side effects of Phenytoin can include the symptoms below;

Double vision,
Peripheral neuropathy,
Gingival hyperplasia,
Increased hair growth,


This is an anti seizures drug. It is used to control the spread of seizures and reduce such activities in the brain. This drug is useful to control both tonic-clonic seizures and partial seizures. There are also many other uses of this drug, as advised by the prescribing doctor.


Phenytoin Sodium is an antiepileptic or anticonvulsant drug. It is used to manage seizures by reducing its activities in the brain. It can also be used to treat certain neuropathic pain or heart rhythmic problems, only if the drug is prescribed by the doctor to manage such conditions.

Dosage and administration

This drug is available in tablet or capsule form in 50 mg or 100 mg strengths. Dosage of this drug depends on your age, medical condition, and urgency of treatment. Generally, it is suggested to take the medication 2 to 3 times a day at regular intervals along with 200 to 250 milliliters of water. Try to take the doses on time to get the most benefit out of the medication. It is good to take this tablet after having food or milk to avoid stomach upsets. Without consulting your doctor, do not discontinue taking this drug. Get your prescription refilled as soon as possible when they are almost exhausted.


Inform your doctor if you are allergic to this drug or to any other anti-seizure medicine.
It is best to inform your doctor regarding your medical history, if you have undergone any surgeries or if you have any diseases related to the heart, kidney, or liver.
Let your doctor or pharmacist know if you have diabetes or high blood pressure.
Never take more than the dosage that is suggested by your doctor.
Do not take this drug on an empty stomach so as to limit problems related to dehydration. Consume sufficient water at regular intervals to avoid experiencing such problems.

Side effects

This drug can cause some side effects if you are allergic to it or if proper prescription is not followed.

Stomach pain, joint pain, urine that contains blood, and tarry or black stools.
Nausea, numbness, blurred vision, and other problems related to eye.
Muscular pain and hives or itching sensation.
Chest pain, cough, diarrhea, and fainting spells.
Fever, general feeling of illness, stiffness of muscles and weakness.
Hair loss, headaches, and heart rhythmic problems.
Blisters or peeling of the skin.

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