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Written By Santoshini Reddy G , M Pharmacy
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD
Last Updated Nov 23, 2024 | 4:53 PM IST
Dilantin 50 mg Capsule is used to treat epilepsy/seizures, and prevent seizures during/after brain surgery or after traumatic brain injury. Besides this, it may also be used to treat trigeminal neuralgia (facial nerve pain). It contains Phenytoin, which helps prevent neurons from working at a very fast speed, thereby preventing the brain cells from firing together rapidly in an uncontrolled way. As a result, it controls the overactivity of the brain cells that cause seizures. It slows down the electrical impulses in the nerves and reduces their ability to transmit pain. Thereby treating trigeminal neuralgia. In some cases, it may cause certain common side effects such as weakness, drowsiness, dizziness, restlessness, and constipation.
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Composition

PHENYTOIN-50MG

Manufacturer/Marketer

Pfizer Ltd

Consume Type

ORAL

Return Policy

Not Returnable

Expires on or after

Apr-26

for this medicine

About Dilantin 50 mg Capsule

Dilantin 50 mg Capsule used to treat epilepsy/seizures, and prevent seizures during/after brain surgery or after traumatic brain injury. Besides this, Dilantin 50 mg Capsule may also be used to treat trigeminal neuralgia (facial nerve pain). Epilepsy is a central nervous system disorder characterized by a sudden rush of electrical activity in the brain, leading to seizures, unusual behaviour, and loss of awareness.

Dilantin 50 mg Capsule contains 'Phenytoin', which helps prevent neurons from working at a very fast speed, thereby preventing the brain cells from firing together rapidly in an uncontrolled way. As a result, Dilantin 50 mg Capsule controls the overactivity of the brain cells that cause seizures. Dilantin 50 mg Capsule slows down the electrical impulses in the nerves and reduces their ability to transmit pain. Thereby treating trigeminal neuralgia.

Take Dilantin 50 mg Capsule with or without food. You are advised to take Dilantin 50 mg Capsule for as long as your doctor has prescribed it for you, depending on your medical condition. In some cases, Dilantin 50 mg Capsule may cause certain common side effects such as weakness, drowsiness, dizziness, restlessness, and constipation. Most of these side effects do not require medical attention and will resolve gradually over time. However, you are advised to talk to your doctor if you experience these side effects persistently.

To treat your condition effectually, continue taking Dilantin 50 mg Capsule for as long as your doctor has prescribed it. Please do not skip any doses or stop taking Dilantin 50 mg Capsule suddenly without consulting your doctor, as it may lead to increased seizures. Avoid taking Dilantin 50 mg Capsule if you are pregnant or breastfeeding unless prescribed by the doctor. Avoid alcohol consumption while taking Dilantin 50 mg Capsule as it might cause increased dizziness. Inform your doctor about all the medicines you are taking and your health condition to rule out any unpleasant side effects.

Uses of Dilantin 50 mg Capsule

Treatment of Epilepsy/Seizures, Trigeminal neuralgia

Medicinal Benefits

Dilantin 50 mg Capsule belongs to the group of anticonvulsant medicines called 'hydantoins' used to treat epilepsy/seizures. Dilantin 50 mg Capsule is also used to control and prevent fits during or after a severe head injury or brain surgery. Dilantin 50 mg Capsule works by controlling the overactivity of the brain cells that cause seizures (fits). Thereby, Dilantin 50 mg Capsule helps in controlling epileptic fits involving spasms of the muscles and jerking. Dilantin 50 mg Capsule may also be used to treat trigeminal neuralgia (facial nerve pain). Dilantin 50 mg Capsule slows down the electrical impulses in the nerves and reduces their ability to transmit pain. Thereby treating trigeminal neuralgia.

Directions for Use

Tablet/Capsule: Swallow it as a whole with a glass of water. Do not chew, break, or crush the tablet/capsule. Suspension: Shake the bottle well and take the prescribed dose/quantity by mouth using the measuring cup/dosing syringe/dropper.

Storage

Store in a cool and dry place away from sunlight

Side Effects of Dilantin 50 mg Capsule

  • Weakness
  • Drowsiness
  • Dizziness
  • Restlessness
  • Constipation

Drug Warnings

Do not take Dilantin 50 mg Capsule if you are allergic to any of its contents. Stop taking Dilantin 50 mg Capsule and consult your doctor if you develop any skin rashes (Stevens-Johnson syndrome), swollen glands (anticonvulsant hypersensitivity syndrome - AHS) or have suicidal thoughts. Talk to your doctor if you have heart, kidney, or liver problems. Avoid taking Dilantin 50 mg Capsule if you are pregnant or breastfeeding unless prescribed by your doctor. Avoid alcohol consumption while taking Dilantin 50 mg Capsule as it might cause unpleasant side effects. Let your doctor know if you have diabetes, as intake of Dilantin 50 mg Capsule affects the blood sugar level. Intake of Dilantin 50 mg Capsule may cause dizziness so be cautious while driving or operating any heavy machinery. Tell your doctor that you are taking anti-HIV medicine (like delavirdine) before intake of Dilantin 50 mg Capsule , as both might react with each other leading to serious conditions.

Drug Interactions

Drug-Drug Interactions: Dilantin 50 mg Capsule may have interaction with painkillers (aspirin, acetaminophen, ibuprofen), blood thinners (warfarin, clopidogrel), anti-convulsant (carbamazepine, gabapentin and pregabalin), a drug used to treat anxiety disorder (diazepam), anti-depressant (fluoxetine, quetiapine), diuretic (furosemide), cholesterol-lowering agent (atorvastatin), a drug used to treat erectile dysfunction (sildenafil), a drug used to treat thyroid deficiency (levothyroxine), anti-HIV drugs (delavirdine), supplements (cholecalciferol, folic acid).

Drug-Food Interactions: Do not take Dilantin 50 mg Capsule with St. John's wort (an antidepressant herbal supplement).

Drug-Disease Interactions: Inform your doctor if you have heart problems, diabetes, anaemia, alcoholism, blood disorders, kidney and liver problems.

Drug-Drug Interactions Checker List

  • ASPIRIN
  • ACETAMINOPHEN
  • IBUPROFEN
  • WARFARIN
  • CLOPIDOGREL
  • CARBAMAZEPINE
  • GABAPENTIN
  • PREGABALIN
  • DIAZEPAM
  • FLUOXETINE
  • QUETIAPINE
  • FUROSEMIDE
  • ATORVASTATIN
  • SILDENAFIL
  • CHOLECALCIFEROL
  • FOLIC ACID
  • DELAVIRDINE

Habit Forming

No

Diet & Lifestyle Advise

  • A ketogenic diet (low in carbohydrates and high in fats) is recommended for people with epilepsy. This diet helps in utilizing fat instead of glucose for the generation of energy.

  • Atkins diet (high fat and controlled carbohydrates) is recommended for adolescents and adults.

  • Rest well, and get plenty of sleep.

  • Avoid smoking and alcohol consumption.

  • Exercise, meditation and yoga can help lower stress, decrease pain sensitivity and improve coping skills.

  • Prepare your living area; small changes may reduce the risk of physical injury during a seizure.

  • Install an alarm or emergency device to get assistance during a seizure attack.

  • Have a seizure response plan, this helps those around you know what to do.

  • Understand what triggers seizures and try reducing or avoiding them.

  • Please pay attention to overall health as it can help in reducing seizure activity.

Special Advise

Your doctor may advise you to get regular blood tests to check for any abnormality of blood and test the amount of Dilantin 50 mg Capsule in your blood. 

 

Disease/Condition Glossary

Epilepsy/Seizures: Seizures, also known as fits or convulsions, are a single occurrence of abnormal electrical activity in the brain, whereas epilepsy is a chronic neurological disorder characterised by recurrent seizures. The possible causes of epilepsy include traumatic brain injury, scarring on the brain after a brain injury, high fever, stroke, vascular diseases, lack of oxygen to the brain, brain tumours, and genetic disorders. Symptoms include mood changes, anxiousness, nausea, dizziness, weakness, headache, muscle jerking, spasms, loss of balance, teeth clenching, rapid blinking or eye movements, biting the tongue, confusion, and loss of consciousness.

Trigeminal neuralgia: It is a condition affecting the trigeminal nerve in the face that causes painful sensations similar to electric shock on one side of the face. Symptoms include mild to severe facial pain often triggered by speaking, chewing, or brushing the teeth.

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Alcohol

Unsafe

You are recommended to avoid alcohol consumption while taking Dilantin 50 mg Capsule to prevent unpleasant side-effects.

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Pregnancy

Caution

Do not take Dilantin 50 mg Capsule if you are pregnant unless prescribed by the doctor. Your doctor will prescribe Dilantin 50 mg Capsule only if the benefits outweigh the risks. If you become pregnant while taking Dilantin 50 mg Capsule , then do not stop taking Dilantin 50 mg Capsule without consulting your doctor.

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Breast Feeding

Caution

Please consult your doctor if you have any concerns regarding this, your doctor will decide whether Dilantin 50 mg Capsule can be given to breastfeeding mothers or not.

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Driving

Unsafe

Dilantin 50 mg Capsule may cause dizziness and drowsiness. Drive and operate machinery only if you are alert.

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Liver

Caution

Dose adjustment may be needed. Dilantin 50 mg Capsule should be used with caution in patients with liver impairment/liver disease. Please consult your doctor if you have liver impairment or any concerns regarding this.

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Kidney

Caution

Dose adjustment may be needed. Dilantin 50 mg Capsule should be used with caution in patients with kidney impairment/kidney disease. Please consult your doctor if you have kidney impairment or any concerns regarding this.

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Children

Safe if prescribed

Dilantin 50 mg Capsule can be given to children if prescribed by the doctor.

Country of origin

India

Manufacturer/Marketer address

The Capital, 1802, 18th Floor , Plot No. C-70, ?G? Block , Bandra Kurla Complex, Bandra East , Mumbai ? 400051.
Other Info - DIL0128

Author Details

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FAQs

Dilantin 50 mg Capsule is used to treat epilepsy/seizures and prevent seizures during/after brain surgery or after traumatic brain injury. Besides this, Dilantin 50 mg Capsule may also be used to treat trigeminal neuralgia (facial nerve pain).
Dilantin 50 mg Capsule works by controlling overactivity of the brain that causes seizures (fits). Thereby, Dilantin 50 mg Capsule helps in controlling epileptic fits involving spasms of the muscles and jerking.
Dilantin 50 mg Capsule can make birth control pills less effective. Talk to your doctor about using non-hormonal contraceptives like condoms and diaphragm with spermicide to prevent pregnancy.
Please do not stop taking Dilantin 50 mg Capsule without consulting your doctor as it may cause increased seizures. Continue taking Dilantin 50 mg Capsule for as long as your doctor has prescribed it to you. Do not be reluctant to speak with your doctor if you experience any difficulty while taking Dilantin 50 mg Capsule .
Yes, Dilantin 50 mg Capsule may cause swelling in the gums. Brush and floss your teeth daily; visit your dentist if you experience this problem regularly.
Dilantin 50 mg Capsule may affect the breakdown of the blood sugar/glucose and may prevent the release of insulin, thereby leading to high blood sugar. So, contact a doctor before using Dilantin 50 mg Capsule if you have diabetes.
A seizure generally lasts from a few seconds to a few minutes depending on the type of seizure.
Take Dilantin 50 mg Capsule with or without food as advised by your doctor.
You are recommended to avoid alcohol consumption while taking Dilantin 50 mg Capsule as it may cause increased side effects.
Dilantin 50 mg Capsule may stay in our system (body) for 5 to 6 days on average. This duration is different for each person. In some cases, it may remain for about 9 to10 days.
Dilantin 50 mg Capsule overdose can be fatal and may cause symptoms such as slurred speech, twitching eye movements, muscle stiffness or weakness, tremors, loss of balance, lightheadedness, fainting, vomiting, nausea and slow or shallow breathing. Also, it may cause very low blood pressure and even coma. Therefore, do not exceed the recommended daily dose.
Patients with liver disease, particularly if they have a history of developing a liver problem due to Dilantin 50 mg Capsule should avoid taking Dilantin 50 mg Capsule . Additionally, anyone taking Delavirdine (a medicine used in the treatment of HIV infection) should not take Dilantin 50 mg Capsule as it may reduce the effectiveness of Delavirdine against HIV and the virus may also develop resistance to Delavirdine. It is advised to inform your doctor before taking Dilantin 50 mg Capsule if you have any existing heart problem.
You are recommended to consult your doctor before taking Dilantin 50 mg Capsule with ibuprofen or other medicines to avoid drug interactions.
The most common side effects of Dilantin 50 mg Capsule in children are overgrowth of the gums and jerky movements of the eyes (nystagmus). In some children, it causes problems with behaviour or thinking, mood change, loss of energy and slow or clumsy movements. High doses may cause side effects such as vomiting, sleepiness and unsteadiness in the feet and hands. To avoid these, the dose is increased gradually. As soon as the dose is reduced, these side effects disappear.
Dilantin 50 mg Capsule does not cause weight gain. However, on longer term use of a higher dose of Dilantin 50 mg Capsule , weight loss can occur. If you experience weight gain after taking Dilantin 50 mg Capsule , please consult your doctor.
Dilantin 50 mg Capsule can make you feel sleepy as a side effect. However, if you feel extremely sleepy after taking Dilantin 50 mg Capsule , especially in the first few weeks of treatment or after a dose increase, please consult your doctor.

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