back
  

Profile
Search

Phenytoin

Uses

Phenytoin is used in the treatment of epilepsy, seizures, mania, migraine, and trigeminal neuralgia.

How it Works

How Phenytoin Works Phenytoin is an antiepileptic medication that controls seizures by reducing the abnormal and excessive activity of nerve cells in the brain.

Expert Advice

  • Take your medication regularly as directed by your doctor; missing doses can trigger seizures.
  • Do not change the brand of your medicine and ensure you have a sufficient supply of medication.
  • Some healthy tips to prevent seizures:
    • Practice yoga every day.
    • Get enough sleep at night.
    • Limit screen time, such as mobile and laptop use.
    • Take your medication on time.
  • Be aware that the medication may cause dizziness and sleepiness.
  • Do not drive or engage in activities requiring mental focus until you understand how the medication affects you.
  • The medication may increase blood sugar levels; inform your doctor if you are taking any medications for diabetes.
  • It may cause swollen gums (gum hypertrophy); therefore, maintain good oral and dental hygiene.
  • Consult your doctor if you notice sudden mood changes or develop suicidal thoughts.
  • Do not stop taking the medication suddenly without consulting your doctor, as it may increase seizure frequency.
  • Phenytoin aids in the treatment and prevention of seizures; take it at the same time every day to maintain consistent levels in your body.
  • Be aware that Phenytoin may cause dizziness and sleepiness.
  • Avoid consuming alcohol while taking Phenytoin, as it may lead to excessive sleepiness or drowsiness.
  • Monitor your weight during treatment, as this medication can cause weight gain.
  • Inform your doctor of any unusual changes in mood or behavior, including new or worsening depression, or suicidal thoughts or behavior.
  • Do not take Phenytoin if you are pregnant, planning to conceive, or breastfeeding.
  • Be mindful that the medication may increase the risk of low sodium levels in the blood.
  • Inform your doctor if you experience difficulty concentrating, memory problems, confusion, weakness, or unsteadiness.

Related Medications

Molecule
Salt Composition in both

Phenytoin 100mg

hero_image
Nytoin 100mg Tablet 10s
A N Pharmacia Laboratories Pvt. Ltd.
Strip of 10 tablets
MRP

15.1

hero_image
Phenyfine 100mg Tablet 100s
Dr. Morepen Ltd.
Bottle of 100 tablets

94.5

MRP 189

37% OFF
Molecule
Salt Composition in both

Phenytoin 100mg

hero_image
Gigatoin 100mg Tablet 10s
Ryon Pharma
Strip of 10 tablets
MRP

15

hero_image
Phenyfine 100mg Tablet 100s
Dr. Morepen Ltd.
Bottle of 100 tablets

94.5

MRP 189

37% OFF
Molecule
Salt Composition in both

Phenytoin 100mg

hero_image
Eptovac 100mg Tablet 100s
Prevego Healthcare & Research Pvt. Ltd.
Bottle of 100 tablets
MRP

145.3

hero_image
Phenyfine 100mg Tablet 100s
Dr. Morepen Ltd.
Bottle of 100 tablets

94.5

MRP 189

35% OFF
Molecule
Salt Composition in both

Phenytoin 300mg

hero_image
Oxotin 300mg Tablet
Emocare
Bottle of 30 tablets
MRP

157.5

hero_image
Epsolin 300mg Tablet 30s
Zydus Cadila
Bottle of 30 tablets

144.9

MRP 176.8

8% OFF
Molecule
Salt Composition in both

Phenytoin 50mg

hero_image
Eptoin 50mg Injection 10ml
Abbott Healthcare Pvt. Ltd.
Vial of 10 ml
MRP

54.4

hero_image
Leotoin 50mg Injection 2ml
Johnlee Pharmaceuticals Pvt. Ltd.
Vial of 2 ml

7.8

MRP 12.2

28% OFF
Molecule
Salt Composition in both

Phenytoin 300mg

hero_image
Eripin 300 Tablet ER
Eridanus Healthcare
Strip of 10 tablets
MRP

39.4

hero_image
Epsolin 300mg Tablet 30s
Zydus Cadila
Bottle of 30 tablets

144.9

MRP 176.8

Molecule
Salt Composition in both

Phenytoin 100mg

hero_image
Qtoin 100mg Tablet
Curis Lifecare
Strip of 10 tablets
MRP

45

hero_image
Phenyfine 100mg Tablet 100s
Dr. Morepen Ltd.
Bottle of 100 tablets

94.5

MRP 189

79% OFF
Molecule
Salt Composition in both

Phenytoin 50mg

hero_image
Fenso 50mg Injection 2ml
Toubib Pharma Pvt. Ltd.
Vial of 2 ml
MRP

11

hero_image
Leotoin 50mg Injection 2ml
Johnlee Pharmaceuticals Pvt. Ltd.
Vial of 2 ml

7.8

MRP 12.2

29% OFF
Molecule
Salt Composition in both

Phenytoin 300mg

hero_image
Phalin 300mg Tablet
Molekule India Pvt. Ltd.
Strip of 10 tablets
MRP

35.7

hero_image
Epsolin 300mg Tablet 30s
Zydus Cadila
Bottle of 30 tablets

144.9

MRP 176.8

Molecule
Salt Composition in both

Phenytoin 30mg

hero_image
Phenykem 30mg/5ml Suspension
Alkem Laboratories Ltd.
Bottle of 200 ml
MRP

63.2

hero_image
Eptoin Suspension 200ml
Abbott Healthcare Pvt. Ltd.
Bottle of 200 ml

62.5

MRP 75.3

Molecule
Salt Composition in both

Phenytoin 50mg

hero_image
Epsod 50mg Injection 2ml
Shine Pharmaceuticals Ltd.
Vial of 2 ml
MRP

9.8

hero_image
Leotoin 50mg Injection 2ml
Johnlee Pharmaceuticals Pvt. Ltd.
Vial of 2 ml

7.8

MRP 12.2

20% OFF
Molecule
Salt Composition in both

Phenytoin 300mg

hero_image
Gigatoin 300mg Tablet ER 10s
Ryon Pharma
Strip of 10 tablets
MRP

57.9

hero_image
Epsolin 300mg Tablet 30s
Zydus Cadila
Bottle of 30 tablets

144.9

MRP 176.8

17% OFF
Molecule
Salt Composition in both

Phenytoin 200mg

hero_image
Stoin 200mg Tablet
Sunrise Remedies Pvt. Ltd.
Strip of 10 tablets
MRP

21.7

hero_image
Epsolin ER 200mg Tablet 30s
Zydus Cadila
Bottle of 30 tablets

248

MRP 302.4

Molecule
Salt Composition in both

Phenytoin 100mg

hero_image
Eton 100mg Tablet 100s
Roussel Laboratories Pvt. Ltd.
Bottle of 100 tablets
MRP

148.1

hero_image
Phenyfine 100mg Tablet 100s
Dr. Morepen Ltd.
Bottle of 100 tablets

94.5

MRP 189

36% OFF
Molecule
Salt Composition in both

Phenytoin 100mg

hero_image
Eripin 100mg Tablet
Eridanus Healthcare
Strip of 10 tablets
MRP

12.5

hero_image
Phenyfine 100mg Tablet 100s
Dr. Morepen Ltd.
Bottle of 100 tablets

94.5

MRP 189

24% OFF
Molecule
Salt Composition in both

Phenytoin 300mg

hero_image
Eptoin 300mg Tablet ER 30s
Abbott Healthcare Pvt. Ltd.
Bottle of 30 tablets
MRP

210.4

hero_image
Epsolin 300mg Tablet 30s
Zydus Cadila
Bottle of 30 tablets

144.9

MRP 176.8

31% OFF
Molecule
Salt Composition in both

Phenytoin 300mg

hero_image
Steritoin 300mg Tablet 30s
Steris Healthcare Pvt. Ltd.
Strip of 30 tablets
MRP

184

hero_image
Epsolin 300mg Tablet 30s
Zydus Cadila
Bottle of 30 tablets

144.9

MRP 176.8

21% OFF
Molecule
Salt Composition

Phenytoin 50mg

hero_image
Leotoin 250mg Injection 5ml
Johnlee Pharmaceuticals Pvt. Ltd.
Vial of 5 ml

19.8

36% OFF

MRP 30.9

Molecule
Salt Composition in both

Phenytoin 300mg

hero_image
Gentoin 300mg Tablet ER 10s
Gentech Healthcare Pvt. Ltd.
Strip of 10 tablets
MRP

131.3

hero_image
Epsolin 300mg Tablet 30s
Zydus Cadila
Bottle of 30 tablets

144.9

MRP 176.8

63% OFF
Molecule
Salt Composition in both

Phenytoin 100mg

hero_image
Epican 100mg Tablet 90s
Nutron Pharma
Bottle of 90 Tablets
MRP

162.1

hero_image
Phenyfine 100mg Tablet 100s
Dr. Morepen Ltd.
Bottle of 100 tablets

94.5

MRP 189

48% OFF
Molecule
Salt Composition in both

Phenytoin 300mg

hero_image
Lupin's Epilan 300mg Tablet 30s
Lupin Ltd.
Bottle of 30 Tablets
MRP

172.5

hero_image
Epsolin 300mg Tablet 30s
Zydus Cadila
Bottle of 30 tablets

144.9

MRP 176.8

16% OFF
Molecule
Salt Composition in both

Phenytoin 50mg

hero_image
Ven Toin 50mg Injection 2ml
Findcare Remedies
Ampoule of 2 ml
MRP

11.3

hero_image
Leotoin 50mg Injection 2ml
Johnlee Pharmaceuticals Pvt. Ltd.
Vial of 2 ml

7.8

MRP 12.2

31% OFF
Molecule
Salt Composition

Phenytoin

hero_image
Spentoin Injection
Swati Spentose Pvt. Ltd.
Vial of 2 ml
MRP

10.5

No Substitute
Sorry, Substitute Medicine is Unavailable
Molecule
Salt Composition

Phenytoin 50mg

hero_image
Phenykem 50mg Tablet DT
Alkem Laboratories Ltd.
Strip of 10 tablets
MRP

8.6

No Substitute
Sorry, Substitute Medicine is Unavailable
Molecule
Salt Composition

Phenytoin 300mg

hero_image
Phenykem 300mg Capsule ER
Alkem Laboratories Ltd.
Strip of 10 capsules
MRP

40.5

No Substitute
Sorry, Substitute Medicine is Unavailable

Frequently asked questions

Phenytoin should be avoided by individuals with liver disease or a history of liver problems related to the drug. It should also not be taken with Delavirdine, as it can reduce its effectiveness against HIV. Inform your doctor of any existing heart conditions before starting Phenytoin.
Phenytoin may cause sedation, drowsiness, or sleepiness. If you experience significant drowsiness, especially in the initial weeks or after a dose increase, consult your doctor. You may need to avoid driving or operating machinery until your response is assessed.
Phenytoin is not known to cause weight gain; however, long-term use at higher doses may result in weight loss. Consult your doctor if you experience unexpected weight gain while on Phenytoin.
Phenytoin typically stays in your system for 5-6 days, but this can vary between individuals, with some experiencing effects for up to 9-10 days.
Phenytoin can generally be taken with ibuprofen, as no significant drug interactions have been reported. However, consult your doctor before combining these medications.
Common side effects of Phenytoin in children include eye jerking (nystagmus) and gum overgrowth. It may also affect thinking, behavior, mood, and cause clumsiness or fatigue. High doses can lead to unsteadiness, sleepiness, and vomiting, but these effects may be mitigated by slowly increasing the dose.
Phenytoin can reduce the effectiveness of oral contraceptives, making them less reliable. Discuss with your doctor if you are taking both, as additional contraceptive measures may be necessary.
Discontinuing Phenytoin suddenly can lead to life-threatening seizures (status epilepticus). Always consult your doctor before stopping; they may gradually reduce your dose.
Phenytoin overdose can cause symptoms such as eye jerking (nystagmus), slurred speech, loss of balance, tremors, muscle weakness, nausea, vomiting, lightheadedness, fainting, blurred vision, slow breathing, and potentially coma. Severe overdose may lead to dangerously low blood pressure and respiratory issues, which can be fatal.