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compositionComposition:PHENYTOIN-100MG
prescription
Prescription Medicine
info
Phensum 100 mg Tablet 100's

Phensum 100 mg Tablet 100's 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 helps control seizures. In some cases, it may cause certain common side effects such as weakness, drowsiness, dizziness, confusion, restlessness, slurred speech, constipation, loss of coordination, and abnormal eye movement. Before taking this medicine, inform your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and any pre-existing medical conditions.

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Written By Santoshini Reddy G , M Pharmacy
Reviewed By Bayyarapu Mahesh Kumar , M Pharmacy
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More about the Product

Composition :

PHENYTOIN-100MG

Manufacturer/Marketer :

Medisum Biotech Pvt Ltd

Consume Type :

Oral

Expires on or after :

Jan-28

Return Policy :

Not Returnable

About Phensum 100 mg Tablet 100's

Phensum 100 mg Tablet 100's is a prescription medicine used to control and prevent certain types of seizures. It is primarily prescribed for people who experience generalised tonic-clonic seizures and psychomotor seizures. It is also used to prevent and treat seizures that may happen during or after brain surgery.

To get the most benefit, you must take Phensum 100 mg Tablet 100's consistently at the same times every day as directed by your doctor. You can take this medicine with or without food, but it is best to choose one way and stick to it with every dose to keep medicine levels steady in your body. Making healthy lifestyle choices, such as maintaining a regular sleep schedule and avoiding seizure triggers, can also support your treatment.

While taking Phensum 100 mg Tablet 100's, you may experience mild side effects like drowsiness, dizziness, or mild gum swelling. However, if you notice severe skin rashes, swollen glands, yellowing of your eyes or skin, or changes in your mood, you must contact your healthcare provider immediately. Regular dental checkups are also important to manage any gum changes that may occur.

Before starting Phensum 100 mg Tablet 100's, talk to your doctor if you have a history of liver problems, kidney disease, diabetes, or depression. Do not take this medicine if you have had a severe allergic reaction to it or similar seizure medicines in the past, or if you have a history of liver damage caused by this medication.

This medicine can interact with alcohol, which can change the amount of the drug in your body and increase drowsiness, and smoking may also affect how it works. It can also interact with many other prescription medications, potentially making them less effective or increasing your risk of side effects. If you are pregnant, planning to become pregnant, breastfeeding, or are an older adult, consult your doctor to discuss the risks and benefits before taking Phensum 100 mg Tablet 100's.

Uses of Phensum 100 mg Tablet 100's

Phensum 100 mg Tablet 100's is used to control and prevent certain types of seizures by stabilising abnormal electrical activity in the brain. The detailed uses of Phensum 100 mg Tablet 100's are as follows: 

  • Tonic-clonic seizures: Phensum 100 mg Tablet 100's helps control and reduce the frequency of these generalised seizures by stabilising electrical activity in the brain.
  • Psychomotor (temporal lobe) seizures: Phensum 100 mg Tablet 100's works to prevent these focal seizures, helping you maintain control over your movements and awareness.
  • Seizures during or after neurosurgery: Phensum 100 mg Tablet 100's is used to prevent the onset of sudden seizures that can occur as a complication of brain surgery.

Key Benefits

Phensum 100 mg Tablet 100's helps prevent and control seizures by stabilising electrical activity in the brain. The key benefits of Phensum 100 mg Tablet 100's include: 

  • Reduces Seizure Frequency: Helps lower the frequency of seizures by maintaining stable electrical activity in the brain.
  • Controls Seizure Severity: May help reduce the severity of seizure episodes, allowing for greater confidence in daily activities.
  • Provides Post-Surgical Seizure Protection: Helps protect against seizures that may occur following brain surgery, supporting a safer recovery process.
  • Maintains Continuous Seizure Control: When taken regularly, it helps maintain consistent levels of protection against unexpected seizures.
  • Supports Daily Independence: By reducing the risk of unpredictable seizure episodes, it may help improve quality of life and support routine daily activities.
Side effects of Phensum 100 mg Tablet
  • Confusion is a major psychotic disorder that needs immediate medical attention.
  • Acknowledge your experience and put effort to control confusion.
  • Avoid smoking and alcohol intake as it can worsen the condition and increase your confusion.
  • Practice meditation and yoga to avoid anxiety, which can be one of the leading causes.
  • Talk to your dietician and consume food that can improve your mental health.
Here are the steps to manage medication-triggered Nervousness:
  • Tell your doctor immediately if you experience symptoms of Nervousness, such as anxiety, jitteriness, or an increased heart rate, after taking medication or adjusting your medication regimen.
  • Your doctor may adjust your medication regimen to alleviate symptoms of Nervousness. This can include switching to a different medication, reducing the dosage, or temporarily stopping the medication. Your doctor may also recommend alternative techniques like relaxation, mindfulness meditation, or journaling. These techniques can help reduce anxiety and Nervousness.
  • Practice stress-reducing techniques, such as deep breathing exercises, yoga, or journaling, to help manage Nervousness.
  • Engage in regular physical activity, such as walking or jogging, to help reduce anxiety and improve mood.
  • Your doctor may advise considering cognitive-behavioural therapy (CBT) or other forms of talk therapy to address underlying anxiety or Nervousness.
  • You should maintain regular follow-up appointments with your doctor to monitor nervousness symptoms, adjust treatment plans as needed, and discuss any concerns or questions.
  • Rest well; get enough sleep.
  • Eat a balanced diet and drink enough water.
  • Manage stress with yoga and meditation.
  • Limit alcohol and caffeine.
  • Physical activities like walking or jogging might help boost energy and make you feel less tired.
Dealing with Medication-Induced Headache:
  • Hydrate your body: Drink enough water to prevent dehydration and headaches.
  • Calm Your Mind: Deep breathing and meditation can help you relax and relieve stress.
  • Rest and Recharge: Sleep for 7-8 hours to reduce headache triggers.
  • Take rest: lie down in a quiet, dark environment.
  • Cold or warm compresses can help reduce tension.
  • Stay Upright: Maintain good posture to keep symptoms from getting worse.
  • To treat headaches naturally, try acupuncture or massage therapy.
  • Over-the-counter pain relievers include acetaminophen and ibuprofen.
  • Prescription Assistance: Speak with your doctor about more substantial drug alternatives.
  • Severe Headaches: Seek emergency medical assistance for sudden, severe headaches.
  • Frequent Headaches: If you get reoccurring headaches, consult your doctor.
  • Headaches with Symptoms: Seek medical attention if your headaches include fever, disorientation, or weakness.
  • Regular exercise increases nitric oxide, relaxing blood vessels and improving circulation.
  • Avoid smoking and alcohol consumption as they can damage blood vessels and worsen vasodilation.
  • Foods high in omega-3 fatty acids such as walnuts, flaxseeds and fatty fish improve cardiovascular health and lower inflammation.
  • Limit the amount of salt in your regular diet.
Here are the steps to manage the medication-triggered Tachycardia (Fast Heart Rate):
  • Contact your doctor immediately if you're experiencing a fast heart rate, palpitations, or other heart-related symptoms. This is crucial to determine whether the symptoms are related to your medication.
  • Your doctor may need to adjust your medication regimen to alleviate the fast heart rate symptoms. This could involve changing the medication, reducing the dosage, or adding new medications to counteract the side effects.
  • Follow your doctor's advice on monitoring your heart rate and blood pressure. This will help track any changes and ensure your heart rate returns normal.
  • If you experience severe symptoms such as chest pain, dizziness, or shortness of breath, seek immediate medical attention. These symptoms can indicate a more serious condition that requires prompt treatment.
Here are the steps to cope with constipation as a side effect of medication:
  • Inform your doctor about your constipation symptoms. They may adjust your medication or advise alternative treatments.
  • Stay hydrated by drinking sufficient of water (at least 8-10 glasses a day) to help soften stool and promote bowel movements.
  • Increase fibre intake by eating foods high in fibre, such as fruits, whole grains, vegetables and legumes, to help bulk up the stool.
  • Establish a bowel routine by trying to go to the bathroom at the same time each day to train your bowels.
  • Engaging in regular exercise, like walking or yoga, can support in bowel movement stimulation.
  • Consult your doctor if constipation persists, and discuss alternative treatments or adjustments to your medication.

Directions for Use

Follow these steps to get the maximum benefit from treatment with Phensum 100 mg Tablet 100's safely and effectively:

  • Swallow the tablet or capsule whole with a full glass of water. Do not crush, chew, or break it unless specifically instructed by your doctor.
  • If you are taking the liquid form, shake the bottle well before each dose and use a marked medical measuring spoon or syringe to get the exact amount.
  • Take your dose at the same times every day to keep a constant level of medicine in your bloodstream.
  • You can take this medicine with or without food, but be consistent with your choice.

Always follow your doctor's exact instructions regarding how and when to take your medication. Do not change your dose or stop taking it suddenly without consulting your healthcare provider first.

How Phensum 100 mg Tablet 100's Works

Phenytoin, the main component of Phensum 100 mg Tablet 100's, works by targeting the electrical pathways in the brain. Seizures occur when there is a sudden, uncontrolled burst of electrical activity among brain cells. This medicine acts on specific gates on the surface of these brain cells, known as sodium channels. By temporarily blocking these channels, it slows down rapid and excessive electrical impulses. This stabilising effect prevents the chaotic electrical signals from spreading to other parts of the brain. As a result, the brain's activity remains balanced, which significantly lowers the likelihood of a seizure starting or spreading.
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Alcohol

Unsafe

Avoid alcohol consumption while taking Phensum 100 mg Tablet 100's, as it may increase/decrease your blood levels of this medication and cause unpleasant side effects.

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Pregnancy

Caution

Do not take Phensum 100 mg Tablet 100's if you are pregnant unless prescribed by the doctor. Your doctor will prescribe Phensum 100 mg Tablet 100's only if the benefits outweigh the risks. If you become pregnant while taking Phensum 100 mg Tablet 100's, then do not stop taking Phensum 100 mg Tablet 100's without consulting your doctor.

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Breast Feeding

Caution

Please consult your doctor before taking Phensum 100 mg Tablet 100's if you are breastfeeding. Your doctor will decide whether Phensum 100 mg Tablet 100's can be given to breastfeeding mothers or not.

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Driving

Unsafe

Phensum 100 mg Tablet 100's may cause dizziness and drowsiness. Therefore, avoid driving and operating machinery until you are mentally alert.

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Liver

Caution

Dose adjustment may be needed. Phensum 100 mg Tablet 100's 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. Phensum 100 mg Tablet 100's 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

Phensum 100 mg Tablet 100's should be given to children only if prescribed by a doctor.

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Heart

Consult your doctor

Please consult your doctor before using Phensum 100 mg Tablet 100's if you have pre-existing heart problems.

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Geriatrics

Consult your doctor

Limited information is available for use in erderly patients. Please consult your doctor.

What if I have taken an overdose of Phensum 100 mg Tablet 100's

Do not take more than the prescribed dose of Phensum 100 mg Tablet 100's, as it may cause an overdose, which can be fatal. The symptoms of an overdose include slurred speech, twitching eye movements, muscle stiffness or weakness, tremor, loss of balance, lightheadedness, fainting, vomiting, nausea, and slow or shallow breathing. If you suspect you have taken an overdose or notice signs of overdose, please consult a doctor immediately.

Diet & Lifestyle Advise

  • Practice excellent oral hygiene: Because this medicine can cause gum swelling, brush your teeth at least twice a day, floss daily, and visit your dentist regularly to keep your gums healthy.
  • Get adequate sleep: Lack of sleep is a well-known seizure trigger. Aim for 7 to 9 hours of quality sleep every night to support your treatment plan.
  • Monitor your vitamin levels: This medication can sometimes lower your body's levels of calcium and vitamin D. Ask your doctor if you should eat more calcium-rich foods like yoghurt and leafy greens, or if you need a supplement.
  • Limit or avoid alcohol: Drinking alcohol can unpredictably change the levels of this medicine in your blood, increasing your risk of seizures or severe side effects like extreme drowsiness.

Have a query?

How Soon It Starts Working

The time required for Phensum 100 mg Tablet 100's to start to work: Phensum 100 mg Tablet 100's ideally shows its action within 1.5 to 3 hours after administration. The time for which the effects of Phensum 100 mg Tablet 100's last: The effect of Phensum 100 mg Tablet 100's lasts for 2 to 3 days.

What if you forget to take Phensum 100 mg Tablet 100's

If you miss a dose, take it as soon as you remember. If it is almost time for the next dose, skip the missed dose and take the next dose at your regular scheduled. Never take a double dose to make up for the missed one.

Storage

• Store Phensum 100 mg Tablet 100's at room temperature, ideally between 68°F and 77°F (20°C to 25°C). • Keep the medication in its original container, tightly closed, to protect it from light and moisture.

Drug Warnings

  • Do not stop taking this medicine suddenly: Stopping abruptly can trigger severe, continuous seizures. Any reduction in your dose must be done under your doctor's close supervision.
  • Get regular blood tests: Your doctor will need to check your blood regularly to ensure the medicine stays within a safe and effective range.
  • Be careful when driving: This medicine can cause drowsiness and dizziness. Avoid driving or operating machinery until you know exactly how it affects you.
  • Check for skin changes: Watch closely for any new skin rashes, especially during the first few weeks of treatment, and report them to your doctor immediately.
  • Alert other healthcare providers: Always tell your dentist, surgeon, and any other doctors you see that you are taking Phensum 100 mg Tablet 100's, as it can affect other treatments and surgeries.

Drug-Drug Interactions

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Drug-Drug Interactions

Inform your doctor if you are taking any of the following medicines, as they may interact with Phensum 100 mg Tablet 100's: 

  • Antacids and calcium supplements: Can reduce the absorption of Phensum 100 mg Tablet 100's if taken at the same time. Space them at least 2 hours apart.
  • Blood thinners (like warfarin): Phensum 100 mg Tablet 100's can change how these medicines work, increasing the risk of bleeding or blood clots.
  • Birth control pills: This medicine can make hormonal contraceptives less effective, increasing the risk of unplanned pregnancy.
  • Other seizure medicines: Can unpredictably raise or lower the level of Phensum 100 mg Tablet 100's in your body.


Drug-Food Interactions

  • Enteral feeds (tube feeding): Can significantly lower the absorption of Phensum 100 mg Tablet 100's. Feedings should be paused for a period before and after taking this medicine as directed by your healthcare team.


Drug-Disease Interactions

Inform your doctor if you have a history of the following conditions before taking Phensum 100 mg Tablet 100's, as it may worsen your condition or require closer monitoring: 

  • Liver disease: Your body breaks down this medicine through the liver. If you have liver damage, the drug can build up to dangerous levels.
  • Diabetes: This medicine may raise your blood sugar levels, requiring adjustments to your diabetes medications.
  • Porphyria: Do not take this medicine if you have this rare metabolic disorder, as it can worsen the condition.
PhenytoinRanolazine
Critical
PhenytoinIsavuconazole
Critical

Drug-Drug Interactions

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PhenytoinRanolazine
Critical
How does the drug interact with Phensum 100 mg Tablet:
Using ranolazine together with Phensum 100 mg Tablet may significantly reduce the blood levels of ranolazine leading to dreceased effectiveness of ranolazine in treating your condition.

How to manage the interaction:
Taking Phensum 100 mg Tablet with Ranolazine is not recommended. They can be taken together if advised by a doctor. However, contact a doctor if you experience any symptoms. Do not stop taking any medications without consulting a doctor.
PhenytoinIsavuconazole
Critical
How does the drug interact with Phensum 100 mg Tablet:
Co-administration of Phensum 100 mg Tablet and Isavuconazole may significantly reduce the blood levels of Isavuconazole, which may make Isavuconazole less effective in treating your condition.

How to manage the interaction:
Taking Isavuconazole with Phensum 100 mg Tablet is not recommended as it can cause an interaction, consult a doctor before taking it. Do not discontinue any medication without consulting a doctor.
PhenytoinRilpivirine
Critical
How does the drug interact with Phensum 100 mg Tablet:
Using rilpivirine together with Phensum 100 mg Tablet may significantly reduce the blood levels of rilpivirine.

How to manage the interaction:
Taking Rilpivirine with Phensum 100 mg Tablet is not recommended, it can be taken if prescribed by the doctor. Do not stop using any medications without talking to a doctor.
PhenytoinVenetoclax
Critical
How does the drug interact with Phensum 100 mg Tablet:
Using venetoclax together with Phensum 100 mg Tablet may significantly reduce the blood levels of venetoclax leading to decreased effectiveness of venetoclax in treating in your condition.

How to manage the interaction:
Taking Phensum 100 mg Tablet with Venetoclax is not recommended as it can cause an interaction, it can be taken if prescribed by the doctor. Do not stop using any medications without talking to a doctor.
PhenytoinCimetidine
Critical
How does the drug interact with Phensum 100 mg Tablet:
Using Phensum 100 mg Tablet together with cimetidine may increase the effects of Phensum 100 mg Tablet.

How to manage the interaction:
Taking Phensum 100 mg Tablet with Cimetidine is not recommended, it can be taken if prescribed by the doctor. Contact a doctor, if you experience twitching eye movements, slurred speech, loss of balance, tremors, muscle stiffness or weakness, nausea, vomiting, feeling light-headed, fainting, and slow or shallow breathing. Do not stop using any medications without talking to a doctor.
PhenytoinLurasidone
Critical
How does the drug interact with Phensum 100 mg Tablet:
Using lurasidone together with Phensum 100 mg Tablet may significantly decrease the blood levels of lurasidone.

How to manage the interaction:
Using lurasidone with Phensum 100 mg Tablet is not recommended, it can be taken if a doctor has prescribed it. Consult a doctor, if you experience any unusual symptoms. Do not discontinue any medications without consulting a doctor.
PhenytoinPraziquantel
Critical
How does the drug interact with Phensum 100 mg Tablet:
Using praziquantel together with Phensum 100 mg Tablet may significantly reduce the blood levels of praziquantel leading decreased effectiveness.

How to manage the interaction:
Taking Phensum 100 mg Tablet with Praziquantelcan is not recommended as it cause an interaction, it can be taken if prescribed by a doctor. Do not stop using any medications without talking to a doctor.
PhenytoinCeritinib
Critical
How does the drug interact with Phensum 100 mg Tablet:
Taking ceritinib with Phensum 100 mg Tablet may significantly reduce the blood levels and effectiveness of Ceritinib.

How to manage the interaction:
Taking Phensum 100 mg Tablet with Ceritinib is not recommended as it can cause an interaction, it can be taken together if prescribed by a doctor. However, if you experience any unusual symptoms, contact a doctor immediately. Do not stop using any medications without talking to a doctor.
PhenytoinLevonorgestrel
Severe
How does the drug interact with Phensum 100 mg Tablet:
Coadministration of Phensum 100 mg Tablet and Levonorgestrel may lower levonorgestrel blood levels and effects.

How to manage the interaction:
Although taking levonorgestrel and Phensum 100 mg Tablet together can result in an interaction, it can be taken if a doctor has prescribed it. If you use hormone replacement treatment(levonorgestrel) for menopause, consult the doctor if your symptoms do not improve or if you begin to bleed abnormally. Do not discontinue any medication without consulting a doctor.
PhenytoinDasatinib
Severe
How does the drug interact with Phensum 100 mg Tablet:
Coadministration of Phensum 100 mg Tablet and Dasatinib may decrease the blood levels of Dasatinib, which may make medication less effective.

How to manage the interaction:
Taking Phensum 100 mg Tablet with Dasatinib together can result in an interaction, but it can be taken if a doctor has advised it. In case of any unusual side effects, contact a doctor. Do not stop using any medications without a doctor's advice.

Drug-Food Interactions

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No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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All Substitutes & Brand Comparisons

Habit Forming

No

Therapeutic Class

[ANTICONVULSANT]

FAQs

Phensum 100 mg Tablet 100's is used to treat epilepsy/seizures and prevent seizures during/after brain surgery or after traumatic brain injury. Besides this, Phensum 100 mg Tablet 100's may also be used to treat trigeminal neuralgia (facial nerve pain).
Phensum 100 mg Tablet 100's contains Phenytoin (an anticonvulsant), 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, Phensum 100 mg Tablet 100's controls the overactivity of the brain cells that cause seizures. Phensum 100 mg Tablet 100's slows down the electrical impulses in the nerves and reduces their ability to transmit pain, thereby treating trigeminal neuralgia.
Phensum 100 mg Tablet 100's can make birth control pills less effective. Talk to your doctor about using non-hormonal contraceptives like condoms and a diaphragm with spermicide to prevent pregnancy.
Please do not stop taking Phensum 100 mg Tablet 100's without consulting your doctor, as it may cause increased seizures. Continue taking Phensum 100 mg Tablet 100's for as long as your doctor has prescribed it to you. Do not hesitate to consult your doctor if you experience any difficulties while taking Phensum 100 mg Tablet 100's.
Yes, Phensum 100 mg Tablet 100's may cause swelling in the gums. Brush and floss your teeth daily; visit your dentist if you experience this problem regularly.
Phensum 100 mg Tablet 100's 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 Phensum 100 mg Tablet 100's if you have diabetes.
A seizure generally lasts from a few seconds to a few minutes, depending on the type of seizure.
Take Phensum 100 mg Tablet 100's with or without food, as advised by your doctor.
You are recommended to avoid alcohol consumption while taking Phensum 100 mg Tablet 100's as it may cause increased side effects.
Phensum 100 mg Tablet 100's 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 to 10 days.
Phensum 100 mg Tablet 100's 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 Phensum 100 mg Tablet 100's should avoid taking Phensum 100 mg Tablet 100's. Additionally, anyone taking Delavirdine (a medicine used in the treatment of HIV infection) should not take Phensum 100 mg Tablet 100's 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 Phensum 100 mg Tablet 100's if you have any existing heart problem.
You are recommended to consult your doctor before taking Phensum 100 mg Tablet 100's with ibuprofen or other medicines to avoid drug interactions.
The most common side effects of Phensum 100 mg Tablet 100's 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.
Phensum 100 mg Tablet 100's does not cause weight gain. However, on longer term use of a higher dose of Phensum 100 mg Tablet 100's, weight loss can occur. If you experience weight gain after taking Phensum 100 mg Tablet 100's, please consult your doctor.
Phensum 100 mg Tablet 100's can make you feel sleepy as a side effect. However, if you feel extremely sleepy after taking Phensum 100 mg Tablet 100's, especially in the first few weeks of treatment or after a dose increase, please consult your doctor.
The common side effects of Phensum 100 mg Tablet 100's include weakness, drowsiness, dizziness, confusion, restlessness, slurred speech, constipation, loss of coordination, and abnormal eye movement. 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.
Taking Phensum 100 mg Tablet 100's during pregnancy carries risks to the unborn baby, but uncontrolled seizures also pose serious risks. If you are pregnant or planning to become pregnant, do not stop taking your medicine suddenly, but discuss your options with your healthcare provider. Talk to your doctor.
Blood tests are necessary to measure the exact amount of the medicine in your body. This helps your doctor ensure the dose is high enough to prevent seizures but low enough to avoid toxicity. Talk to your doctor.
Take the missed dose as soon as you remember. If your next dose is less than 4 hours away, skip the missed dose and resume your regular schedule; never double your dose. Talk to your doctor.
It may take several days to a few weeks of consistent use for the medicine to reach steady, therapeutic levels in your blood and provide full seizure control. Talk to your doctor.

Disclaimer

While we strive to provide complete, accurate, and expert-reviewed content on our 'Platform', we make no warranties or representations and disclaim all responsibility and liability for the completeness, accuracy, or reliability of the aforementioned content. The content on our platform is for informative purposes only, and may not cover all clinical/non-clinical aspects. Reliance on any information and subsequent action or inaction is solely at the user's risk, and we do not assume any responsibility for the same. The content on the Platform should not be considered or used as a substitute for professional and qualified medical advice. Please consult your doctor for any query pertaining to medicines, tests and/or diseases, as we support, and do not replace the doctor-patient relationship.

Reference

  1. Electronic Medicines Compendium (EMC). Pil.7558 Patient Information Leaflet (PIL). Cheshire, UK: Datapharm; 2025. [Accessed on 02 Jun. 2026] Check here
  2. U.S. Food and Drug Administration (FDA). 084349S087Lbl [FDA Prescribing Information]. Silver Spring, MD: FDA; 2024. [Accessed on 02 Jun. 2026] Check here
  3. Drugs.com Clinical Review Team. Phenytoin Clinical Drug Monograph. Auckland, NZ: Drugs.com; 2026. [Accessed on 02 Jun. 2026] Check here
  4. MedlinePlus. A682022 Patient Information Monograph. Bethesda, MD: U.S. National Library of Medicine (NLM); 2025. [Accessed on 02 Jun. 2026] Check here
  5. DailyMed Database. Druginfo.Cfm Clinical Monograph. Bethesda, MD: National Library of Medicine; 2025. [Accessed on 02 Jun. 2026] Check here
  6. National Health Service (NHS). Phenytoin - NHS Medicines Reference Guide. London, UK: NHS; 2025. [Accessed on 02 Jun. 2026] Check here
  7. Phenytoin Phenytoin. 2018. [Accessed on 22 Mar. 2019]Check here

Country of origin

India

Manufacturer/Marketer address

E-5/16, Krishna Nagar, New Delhi-110051, Delhi, India
Other Info - PHE0193

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