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Gentoin 100mg Tablet

Tablet
Rs.13.20for 1 strip(s) (10 tablets each)
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Composition FOR Gentoin 100mg Tablet

Phenytoin(100mg)

food interaction for Gentoin Tablet

alcohol interaction for Gentoin Tablet

pregnancy interaction for Gentoin Tablet

lactation interaction for Gentoin Tablet

food
alcohol
pregnancy
lactation
Gentoin 100mg Tablet may be taken with or without food.
None
CAUTION
It is unsafe to consume alcohol with Gentoin 100mg Tablet
UNSAFE
Gentoin 100mg Tablet is not recommended during pregnancy as there is positive evidence of fetal risk based on animal studies. However, it may still be prescribed by a doctor in situations where the benefits outweigh the risks.
CONSULT YOUR DOCTOR
Gentoin 100mg Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.
CONSULT YOUR DOCTOR

SALT INFORMATION FOR Gentoin 100mg Tablet

Phenytoin(100mg)

Gentoin tablet uses

{med_name} is used in the treatment of epilepsy/seizures.

How gentoin tablet works

Gentoin 100mg Tablet is an antiepileptic medication. It controls seizures or fits by decreasing the abnormal and excessive activity of the nerve cells in the brain.

Common side effects of gentoin tablet

Slurred speech, Confusion, Nystagmus (involuntary eye movement), Coordination disorder, Sleepiness

SUBSTITUTES FOR Gentoin Tablet

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68 Substitutes
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Expert advice FOR Gentoin Tablet

  • Take your medication regularly as directed by your doctor as missing doses can trigger seizures.
  • Do not change the brand of your medicine and make sure that you have sufficient amount of medicine present with you.
  • Some healthy tips to prevent seizures:
    • Practice yoga every day.
    • Get enough sleep at nighttime.
    • Limit the use of screen time such as mobile/laptop.
    • Take your medication on time.
  • It may cause dizziness and sleepiness. Do not drive or do anything that requires mental focus until you know how it affects you.
  • It may increase blood sugar levels. Inform your doctor if you are taking any medicines to treat diabetes.
  • It may cause swollen gum (gum hypertrophy), hence take care of oral or dental hygiene.
  • Talk to your doctor if you notice sudden mood changes or develop suicidal thoughts.
  • Do not stop taking the medication suddenly without talking to your doctor as it may increase the seizure frequency.

Frequently asked questions FOR Gentoin 100mg Tablet

Phenytoin

Q. For how long does Gentoin 100mg Tablet stay in your system?
On an average, Gentoin 100mg 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 Gentoin 100mg Tablet?
Suddenly stopping Gentoin 100mg 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 Gentoin 100mg Tablet? Can I die from Gentoin 100mg Tablet overdose?
Overdose of Gentoin 100mg 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. Gentoin 100mg Tablet overdose can cause very low blood pressure and respiratory problems. As a result of this, the patient can even die.
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Q. Who should avoid taking Gentoin 100mg Tablet?
You should not take Gentoin 100mg Tablet if you have liver disease, especially if you have a history of developing a liver problem due to Gentoin 100mg Tablet. Also, patients taking Delavirdine (a medicine used in the treatment of HIV infection) should not take Gentoin 100mg Tablet. Gentoin 100mg 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 Gentoin 100mg Tablet.
Q. Can I take Gentoin 100mg Tablet with ibuprofen?
Gentoin 100mg 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 Gentoin 100mg Tablet on children?
The most common side effects related to Gentoin 100mg Tablet in children are jerky movements of the eyes (nystagmus) and overgrowth of the gums. In some children, Gentoin 100mg 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 Gentoin 100mg Tablet cause weight gain?
Gentoin 100mg Tablet has not been reported to cause weight gain. However, weight loss can occur with longer term use of a higher dose of Gentoin 100mg Tablet. Please consult your doctor if you experience weight gain after taking Gentoin 100mg Tablet.
Q. Does Gentoin 100mg Tablet make you sleepy?
Gentoin 100mg Tablet can make you feel sleepy (sedation, somnolence, and drowsiness). Please consult your doctor if you feel very sleepy after taking Gentoin 100mg 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 Gentoin 100mg Tablet affect birth control?
Gentoin 100mg Tablet does affect birth control. Gentoin 100mg 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.

Content on this page was last updated on 12 November, 2025, by Dr. Lalit Kanodia (MBA, MD Pharmacology)