EPTOIN 50mg Tablet



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Eptoin 50 Tablet is a prescription medicine used to treat and prevent epilepsy (seizures). It controls seizures by decreasing the abnormal and excessive activity of the nerve cells in the brain.

Eptoin 50 Tablet can be used alone or in combination with other medicines. It may be taken with or without food. Your doctor will decide the correct dose for you. This may increase gradually until your condition is stable.

This medicine may take several weeks to work but it is important to take it regularly to get the benefit. Do not stop taking it, even if you feel fine, unless your doctor advises you to. You may have more seizures, or your bipolar disorder may get worse.

The most common side effects of this medicine include skin rashes, headache, feeling or being sick, difficulty sleeping, dizziness, and feeling sleepy or drowsy. Most side effects wear off, but if they bother you or do not go away, tell your doctor. There may be ways of preventing or reducing these effects.

Before taking this medicine, tell your doctor if you have kidney or liver problems, meningitis or depression, or suicidal thoughts. Also let your healthcare team know about all other medications you are using as some may affect, or be affected by, this medicine, including contraceptive pills.

If you are pregnant or breastfeeding, the dose may be adjusted. You should avoid driving or riding a bicycle if this medicine makes you drowsy or dizzy. You may need frequent blood tests to check how you are responding to this medicine.

EPTOIN 50MG contains phenytoin, an antiepileptic drug which can be used in the treatment of epilepsy. It can be used to control a variety of epileptic conditions (tonic-clonic seizures and partial seizures), to control or prevent seizures during or after brain surgery or severe head injury. Phenytoin can be used to treat the trigeminal neuralgia (facial nerve pain).

Epilepsy is a common chronic disorder that can happen when the electrical signals and chemicals are not working properly in brain cells.

During a seizure, brain cells are forced to work much more rapidly than normal. EPTOIN 50MG helps prevent brain cells from working so fast and thus the cells are prevented from all firing together thus stopping seizures when they are just beginning.

Always take tab exactly as prescribed by your doctor. This medicine is dangerous if taken more than prescribed. If you accidentally take too much, contact your doctor at once or go to the nearest hospital. Do not drive or operate any machinery while taking this medicine, it may make you feel dizzy and confusion and problems with your vision.

Consumption of alcohol is not recommended during treatment with this medicine. Before taking this medicine tell your doctor if you have ever had kidney disease, heart disease, or pancreas problems. Pregnant and breastfeeding women should consult their doctor before taking this medicine.


In Treatment and prevention of Epilepsy/Seizures

Tablet is an anticonvulsant (or anti-epileptic) medicine that works by decreasing the nerve impulses which cause the seizures.
By controlling the frequency of seizures, it will help you go about your daily activities with more confidence. It helps reduce symptoms such as confusion, uncontrollable jerking movements, loss of awareness, and fear or anxiety.
This medicine is not associated with any physical or psychological dependence (addiction) but it should not be stopped suddenly. It must be taken regularly as prescribed to be effective. Missing doses may trigger a seizure.


Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Eptoin

  • Rash
  • Headache
  • Dizziness
  • Vomiting
  • Nausea
  • Slurred speech
  • Vertigo
  • Confusion
  • Nervousness
  • Constipation
  • Tremors
  • Altered walking


Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Eptoin 50 Tablet may be taken with or without food, but it is better to take it at a fixed time.


Eptoin 50 Tablet is an antiepileptic medication. It controls seizures or fits by decreasing the abnormal and excessive activity of the nerve cells in the brain.




It is unsafe to consume alcohol with Tablet.


Eptoin 50 Tablet is unsafe to use during pregnancy as there is definite evidence of risk to the developing baby. However, the doctor may rarely prescribe it in some life-threatening situations if the benefits are more than the potential risks. Please consult your doctor.

Breast feeding

Tablet is safe to use during breastfeeding. Human studies suggest that the drug does not pass into the breastmilk in a significant amount and is not harmful to the baby.
Please consult your doctor.


Tablet may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.


Eptoin 50 Tablet should be used with caution in patients with kidney disease. Dose adjustment of Tablet may be needed. Please consult your doctor.


Eptoin 50 Tablet should be used with caution in patients with liver disease. Dose adjustment of Eptoin 50 Tablet may be needed. Please consult your doctor.


If you miss a dose of Eptoin 50 Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.


Q. For how long does Eptoin 50 Tablet stay in your system?

On an average, Tablet may stay in your system for 5-6 days. This duration varies from person to person. In some cases, it may stay for about 9-10 days.

Q. What happens if I stop taking Tablet?

Suddenly stopping Tablet may cause non-stop seizures (called status epilepticus), which can endanger life. Do not stop taking the medicine without consulting your doctor. If required, your doctor will slowly reduce the dose before stopping it completely.

Q. What are the symptoms that occur if I take more than the recommended dose of Eptoin 50 Tablet? Can I die from Eptoin 50 Tablet overdose?

Overdose of Eptoin 50 Tablet may cause jerky movements of the eyes (nystagmus), unclear speech, loss of balance, tremor, muscle stiffness or weakness, nausea, vomiting, lightheadedness, fainting, blurred vision, slow and shallow breathing and even coma. Eptoin 50 Tablet overdose can cause very low blood pressure and respiratory problems. As a result of this, the patient can even die.

Q. Who should avoid taking Eptoin 50 Tablet?

You should not take Tablet if you have liver disease, especially if you have a history of developing a liver problem due to Tablet. Also, patients taking Delavirdine (a medicine used in the treatment of HIV infection) should not take Tablet.
Tablet may reduce the effectiveness of Delavirdine on HIV and the virus may also become resistant to Delavirdine. It is advised that you inform your doctor if you have any existing heart disorder before you receive Eptoin 50 Tablet.

Q. Can I take Eptoin 50 Tablet with ibuprofen?

Eptoin 50 Tablet can be taken with ibuprofen. No drug-drug interactions have been reported between the two. However, interactions can occur. Please consult your doctor before taking the two medicines together.

Q. What are the effects of Eptoin 50 Tablet on children?

The most common side effects related to Tablet in children are jerky movements of the eyes (nystagmus) and overgrowth of the gums. In some children, Tablet causes problems with thinking or behavior, mood change, slow or clumsy movements, or a loss of energy.
Other side effects from high doses include unsteadiness in the feet and hands, sleepiness, and vomiting. These may be avoidable if the dose is increased slowly. These side effects quickly disappear when the dose is reduced.

Q. Does Eptoin 50 Tablet cause weight gain?

Eptoin 50 Tablet has not been reported to cause weight gain. However, weight loss can occur with longer term use of a higher dose of Tablet. Please consult your doctor if you experience weight gain after taking Tablet.

Q. Does Eptoin 50 Tablet make you sleepy?

Eptoin 50 Tablet can make you feel sleepy (sedation, somnolence, and drowsiness). Please consult your doctor if you feel very sleepy after taking Tablet, especially during the first few weeks of treatment or following a dose increase.
Talk to your doctor as you may be advised not to drive or use machines until it is established that your ability to perform such activities is not affected.

Q. Does Eptoin 50 Tablet affect birth control?

Eptoin 50 Tablet does affect birth control. Tablet can decrease the effect of oral contraceptives (birth control pills) which can make the contraceptive (birth control) effect unreliable. Please talk to your doctor if you are asked to take the two medicines together as you may need to use extra protection for birth control.


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