
Dilantin
Phenytoin 100mg tablets, used in the management of tonic-clonic and focal seizures. A hydantoin that stabilises the membrane of the neurone.
- Conditions
- Tonic-clonic Seizure · Focal Seizure
- Alternative names
- Epanutin
- Therapeutic class
- Antiepileptic
- Pharmacological class
- Hydantoin anticonvulsant
- Contraindications
- hypersensitivity to phenytoin; bradycardia; heart block
- Minor side effects
- nausea; dizziness; insomnia; headache
- Moderate side effects
- gingival hyperplasia; nystagmus; ataxia; skin rash
- Dosage forms
- Tablet
- Administration route
- Oral use
- Originator
- Pfizer
- Onset time
- 2–4 hours
- Duration
- 12–24 hours
- Storage instructions
- Store in a cool, dry place.
- Drug interactions
- Alcohol; St. John's Wort
- Age restrictions
- Use with caution in children and elderly patients.
Precautions and warnings
regular blood monitoring recommended; avoid abrupt discontinuation; may affect blood sugar control
Serious side effects
stevens-johnson syndrome, requires immediate medical attention; toxic epidermal necrolysis, requires immediate medical attention
Patient summary
Phenytoin 100mg tablets, used in the management of tonic-clonic and focal seizures. A hydantoin that stabilises the membrane of the neurone.
Mechanism of action
Phenytoin stabilizes the neuronal membrane by modulating ion channels, specifically inhibiting the repetitive firing of action potentials, thereby controlling seizure activity.
Pregnancy and breastfeeding
Pregnancy: Consult a specialist regarding potential risks during pregnancy. Breastfeeding: Confirm breastfeeding suitability with a qualified clinician or pharmacist before use.
Dilantin represents a primary treatment containing phenytoin, used for the management of tonic-clonic seizure and focal seizure. The same active ingredient is also sold as Epanutin. Available as a 100mg tablet, it remains a standard option for patients requiring consistent support for these specific neurological conditions.
Buying Dilantin online
Generic phenytoin, often produced in India, provides an affordable alternative to the original brand for expats living far from a well-stocked pharmacy.
Will I receive the original Dilantin?
No. Dilantin is the originator brand name, made by Pfizer, and Yasabai uses it to identify the medicine: you receive a generic with the same active ingredient (phenytoin) at the same dose, mostly a recognised Indian branded generic. The exact brand depends on stock.
What is the price of Dilantin?
Dilantin comes in a 100mg strength, in packs of 100 to 200 tablets, and the price per tablet for every option is shown above, in US dollars or the currency you choose. Larger packs cost less per tablet. Paying with Bitcoin or Ethereum gives you an extra 10% off.
What conditions is Dilantin used for?
Dilantin contains phenytoin, used for tonic-clonic seizure and focal seizure. Phenytoin stabilises the neuronal membrane by modulating ion channels, specifically inhibiting the repetitive firing of action potentials, thereby controlling seizure activity.
When does Dilantin start working?
Phenytoin usually starts to work within 2 to 4 hours, and its effect lasts about 12 to 24 hours. How quickly it works can differ from one person to another.
What are the side effects of Dilantin?
The common side effects of phenytoin are nausea, dizziness, insomnia and headache. Less common ones include gingival hyperplasia, nystagmus, ataxia and skin rash. Serious but less common side effects include Stevens-Johnson syndrome and toxic epidermal necrolysis, which need urgent medical attention.
Does Dilantin interact with alcohol?
Alcohol can interact with phenytoin, so check with a doctor or pharmacist before you drink while taking Dilantin. It can also interact with St John's wort.
What is another brand name for phenytoin?
Other brands of phenytoin include Epanutin.
Can I buy Dilantin over the counter in Thailand?
Online, yes: Yasabai does not ask for a prescription to order Dilantin. We are an online store, not a dispensing pharmacy; we arrange your order and delivery on your behalf.
Ordering without a prescription →Can I order Dilantin online for delivery in Thailand?
Yes. Our pharmacy partners ship from India to Thailand and across Asia in discreet packaging. Standard Airmail takes up to 3 weeks; Express Tracked Courier takes up to 1 week.
How ordering works →What you will receive
Dilantin is the originator brand name, made by Pfizer. We use it here to identify the medicine only; we are not affiliated with Pfizer and do not ship the original Dilantin.
- You receive a generic equivalent: the same active ingredient (Phenytoin) at the same dose, mostly recognised Indian branded generics from vetted manufacturers.
- The exact brand supplied depends on what is in stock at the dispatching warehouse.
- A regulated generic matches the original ingredient for ingredient by legal standard.