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What is Eptoin?

Eptoin Injection is used for Seizure, Migraine, Cardiac arrhythmias, Fit and other conditions. Eptoin Injection may also be used for purposes not listed in this medication guide.
Eptoin Injection contains Phenytoin as an active ingredient.
Eptoin Injection works by slowing down the abnormal electrical activity of the brain that causes seizures.
Abbott Health manufactures Eptoin Injection.
Detailed information related to Eptoin Injection's uses, composition, dosage, side effects and reviews is listed below.

Eptoin Injection Uses

Eptoin Injection is used for the treatment, control, prevention, & improvement of the following diseases, conditions and symptoms:
References: 1
Learn more: Uses

Eptoin Injection Working, Mechanism of Action and Pharmacology

Eptoin Injection improves the patient's condition by performing the following functions:
References: 1

Eptoin Injection - Composition and Active Ingredients

Eptoin Injection is composed of the following active ingredients (salts)
Please note that this medicine may be available in various strengths for each active ingredient listed above.

Eptoin Injection - Side-effects

The following is a list of possible side-effects that may occur from all constituting ingredients of Eptoin Injection. This is not a comprehensive list. These side-effects are possible, but do not always occur. Some of the side-effects may be rare but serious. Consult your doctor if you observe any of the following side-effects, especially if they do not go away.
If you notice other side-effects not listed above, contact your doctor for medical advice. You may also report side-effects to your local food and drug administration authority.
References: 1
Learn more: Side-effects

Eptoin Injection - Precautions & How to Use

Before using Eptoin Injection, inform your doctor about your current list of medications, over the counter products (e.g. vitamins, herbal supplements, etc.), allergies, pre-existing diseases, and current health conditions (e.g. pregnancy, upcoming surgery, etc.). Some health conditions may make you more susceptible to the side-effects of the drug. Take as directed by your doctor or follow the direction printed on the product insert. Dosage is based on your condition. Tell your doctor if your condition persists or worsens. Important counseling points are listed below.

Eptoin Injection - Drug Interactions

If you use other drugs or over the counter products at the same time, the effects of Eptoin Injection may change. This may increase your risk for side-effects or cause your drug not to work properly. Tell your doctor about all the drugs, vitamins, and herbal supplements you are using, so that you doctor can help you prevent or manage drug interactions. Eptoin Injection may interact with the following drugs and products:
  • Carbamazepine
  • Clonazepam
  • Cyclosporine
  • Digoxin
  • Disopyramide
  • Doxycycline
Learn more: Interactions

Eptoin Injection - Contraindications

Hypersensitivity to Eptoin Injection is a contraindication. In addition, Eptoin Injection should not be used if you have the following conditions:
  • AV block
  • Addiction to alcohol or drug abuse
  • Allergic to phenytoin or any of its components
  • Breastfeeding
  • Diabetes
  • History of liver disease
Learn more: Contraindications

Where to Buy Eptoin Injection

Click here to find nearby pharmacies/medical stores where you can buy Eptoin Injection.

Eptoin Injection - Frequently asked Questions

  • Is Eptoin Injection safe to consume or apply when pregnant?
  • Is Eptoin Injection safe while breastfeeding?
  • Can Eptoin Injection be used for seizure and migraine?
    Yes, seizure and migraine are among the most common reported uses for Eptoin Injection. Please do not use Eptoin Injection for seizure and migraine without consulting first with your doctor. Click here to find out what other patients report as common uses for Eptoin Injection.
  • Should I consume Eptoin Injection empty stomach, before food or after food? website users have most commonly reported consuming Eptoin Injection after food. However, this may not be reflective of how you should consume this medicine. Please follow your doctor's advice on how you should use this medicine. Click here to find out what other patients report as timing of using Eptoin Injection.
  • Is it safe to drive or operate heavy machinery when consuming?
    If you experience drowsiness, dizziness, hypotension or a headache as side-effects when using Eptoin Injection medicine then it may not be safe to drive a vehicle or operate heavy machinery. One should not drive a vehicle if using the medicine makes you drowsy, dizzy or lowers your blood-pressure extensively. Pharmacists also advise patients not to drink alcohol with medicines as alcohol intensifies drowsiness side-effects. Please check for these effects on your body when using Eptoin Injection. Always consult with your doctor for recommendations specific to your body and health conditions.
  • Is this medicine or product addictive or habit forming?
    Most medicines don't come with a potential for addiction or abuse. Usually, government's categorizes medicines that can be addictive as controlled substances. Examples include schedule H or X in India and schedule II-V in the US. Please consult the product package to make sure that the medicine does not belong to such special categorizations of medicines. Lastly, do not self-medicate and increase your body's dependence to medicines without the advice of a doctor.
  • Can it be stopped immediately or do I have to slowly ween off consumption?
    Some medicines need to be tapered or cannot be stopped immediately because of rebound effects. Please consult with your doctor for recommendations specific to your body, health and other medications that you may be using.

Other important Information on Eptoin Injection

Missing a dose

In case you miss a dose, use it as soon as you notice. If it is close to the time of your next dose, skip the missed dose and resume your dosing schedule. Do not use extra dose to make up for a missed dose. If you are regularly missing doses, consider setting an alarm or asking a family member to remind you. Please consult your doctor to discuss changes in your dosing schedule or a new schedule to make up for missed doses, if you have missed too many doses recently.
References: 2, 3, 4, 5

Overdosage of Eptoin Injection

  • Do not use more than prescribed dose. Taking more medication will not improve your symptoms; rather they may cause poisoning or serious side-effects. If you suspect that you or anyone else who may have overdosed of Eptoin Injection, please go to the emergency department of the closest hospital or nursing home. Bring a medicine box, container, or label with you to help doctors with necessary information.
  • Do not give your medicines to other people even if you know that they have the same condition or it seems that they may have similar conditions. This may lead to overdosage.
  • Please consult your physician or pharmacist or product package for more information.
References: 6, 7, 8

Storage of Eptoin Injection

  • Store medicines at room temperature, away from heat and direct light. Do not freeze medicines unless required by package insert. Keep medicines away from children and pets.
  • Do not flush medications down the toilet or pour them into drainage unless instructed to do so. Medication discarded in this manner may contaminate the environment. Please consult your pharmacist or doctor for more details on how to safely discard Eptoin Injection.
References: 9, 10, 11, 12

Expired Eptoin Injection

  • Taking a single dose of expired Eptoin Injection is unlikely to produce an adverse event. However, please discuss with your primary health provider or pharmacist for proper advice or if you feel unwell or sick. Expired drug may become ineffective in treating your prescribed conditions. To be on the safe side, it is important not to use expired drug. If you have a chronic illness that requires taking medicine constantly such as heart condition, seizures, and life-threatening allergies, you are much safer keeping in touch with your primary health care provider so that you can have a fresh supply of unexpired medications.
References: 13, 14

Dosage Information

Please consult your physician or pharmacist or refer to product package.

Questions - Eptoin Injection

Eptoin is a medication that contains Phenytoin which is an anticonvulsant drug. FDA has specified Eptoin in Pregnancy category D which indicates that studies conducted in humans have reported positive evidence of fetal abnormalities. There is positive evidence of fetal risk in humans based on adverse reaction data from post-marketing experience. So, it is recommended that patients should avoid using this medicine in pregnancy or should only take it under doctor's recommendation.

Phenytoin is an anticonvulsant drug that is used to treat seizures, arrhythmias and to relax the muscles. Reports have indicated a higher incidence of congenital abnormalities in babies whose mothers used anticonvulsants during pregnancy. The abnormalities include cleft lip, cleft palate, heart malformations, prenatal growth deficiency, craniofacial abnormalities, microcephaly, hypoplasia of the fingernails, and mental deficiency.

Women before taking Eptoin, are advised to notify their gynecologist or health care physician if they become pregnant or intend to become pregnant.

1. PubChem Phenytoin URL: Accessed December 22, 2017
2. Wikipedia Phenytoin URL: Accessed December 22, 2017
Share the link to this answer
Eptoin (Phenytoin) is not associated with weight gain. Eptoin is a brand name of phenytoin sodium. It is an anticonvulsant drug which comes under the subclass of hydantoin. It is used to control and prevention of tonic-clonic seizures and partial seizures. Eptoin protects against seizures by blocking the activity of voltage-gated sodium and calcium channels.

Eptoin medication can cause various common side effects including slurred speech, decreased coordination, mental confusion, dizziness, insomnia, motor twitchings, headaches, tremor, vomiting, constipation, toxic hepatitis, nausea, skin rash, muscles pain and liver damage, etc.

An article published in Epilepsia in 2007, concluded that lamotrigine, phenytoin, levetiracetam comes under the category of neutral antiepileptic drugs neither show weight gain nor weight loss effect in patients during the study. But the effect on weight may vary among the individuals according to the dose and duration of the medication. The comparisons among the antiepileptic drugs become difficult because of the difference in the study design and how the results are represented. Hence more research is needed to evaluate how Eptoin and other antiepileptic drugs may contribute to such weight changes with ease of understanding.

If you're concerned about any weight changes while taking Eptoin, consult your healthcare provider or doctor.

1. Ben-menachem E. Weight issues for people with epilepsy--a review. Epilepsia. 2007;48 Suppl 9:42-5 URL: 
2. FDA Dilantin (Phenytoin Sodium) URL: 
3. Medline Plus Phenytoin URL: 
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News and Updates

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Eptoin Injection - Packages and Strengths

Eptoin Injection is available in the following packages and strengths
Eptoin Injection - Packages: 2ML Injection, 10ML Injection, 2 ml
Eptoin Injection - Strengths: 100MG, 50MG

Eptoin Injection - Manufacturers

The medicine is manufactured by the following companies

Eptoin Injection - Demographic Information


  1. Dailymed LABEL: EXTENDED PHENYTOIN SODIUM- phenytoin sodium capsule - Accessed: October 12, 2016.
  2. - Accessed: July 14, 2016.
  3. - Accessed: July 3, 2016.
  4. Cancer.Net (2014). - Accessed: July 3, 2016.
  5. Schachter, S.C., Shafer, P. O. &; Sirven, J.I. (2013). - Accessed: May 28, 2016.
  6. National Institute of Drug Abuse (2010). - Accessed: July 21, 2016.
  7. eMedicinehealth (2016). - Accessed: July 21, 2016.
  8. Centers for Disease Control and Prevention (2010). - Accessed: July 21, 2016.
  9. Centers for Disease Control and Prevention. December 12, 2011. - Accessed: June 10, 2016.
  10. The Center for Improving Medication Management and the National Council on Patient Information and Education. - Accessed: June 10, 2016.
  11. U.S. Food and Drug Administration. December 24, 2013. - Accessed: June 10, 2016.
  12. World Health Organization: - Accessed: July 1, 2016.
  13. Lyon, R. C., Taylor, J. S., Porter, D. A., et al. (2006) Stability profiles of drug products extended beyond labeled expiration dates. Journal of Pharmaceutical Sciences; 95:1549-60 - Accessed: July 3, 2016.
  14. Harvard Medical School (2016). - Accessed: May 1, 2016.

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APA Style Citation

  • Eptoin Injection - Uses, Side-effects, Reviews, and Precautions - Abbott Health - - India. (n.d.). Retrieved January 16, 2018, from

MLA Style Citation

  • "Eptoin Injection - Uses, Side-effects, Reviews, and Precautions - Abbott Health - - India" N.p., n.d. Web. 16 Jan. 2018.

Chicago Style Citation

  • "Eptoin Injection - Uses, Side-effects, Reviews, and Precautions - Abbott Health - - India" Accessed January 16, 2018.

Alternate forms of Eptoin Injection

Last updated date

This page was last updated on 1/14/2018.
This page provides information for Eptoin Injection in English.
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