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MRP: Rs. 151 for 1 vial(s) (10 ML injection each)
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Composition for FOSENTIN

Fosphenytoin(10 mg)

food interaction for FOSENTIN

alcohol interaction for FOSENTIN

pregnancy interaction for FOSENTIN

lactation interaction for FOSENTIN

It can be taken with or without food, but it is better to take it at a fixed time.
Avoid it with grapefruit juice.
It may cause excessive drowsiness and calmness with alcohol.
It is unsafe to use during pregnancy.
Human and animal studies have shown adverse effects on the foetus. The potential benefits may warrant the use in pregnant women despite potential risks. Please consult your doctor.
Unknown. Human and animal studies are not available. Please consult your doctor.


Fosphenytoin(10 mg)


Fosentin 10mg injection is used for the treatment of status epilepticus (a life-threatening condition the fits occurring for longer duration or immediately one after the other).

How it works

Fosentin 10mg injection belongs to the class of drugs known as anticonvulsants. It acts by suppressing the excessive excitation in the brain and reduces the occurrence of fits (seizures).

Common side effects

Paresthesia (tingling or pricking sensation), Blurred vision, Bradycardia, Burning sensation, Cardiac arrest, Confusion, Constipation, Double vision, Eye swelling, Lip swelling, Eyelid swelling, Decreased blood pressure, Itching, Cardiovascular reaction


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Expert advice for FOSENTIN

  • Immediately consult your doctor if you develop any suicidal thoughts, swelling, discoloration or pain at the injection site, serious skin infections such as rash, blisters, itching and fever while on treatment with fosphenytoin.  
  • Avoid consumption of alcohol while being treated with fosphenytoin as it may worsen the side effects.
  • Do not drive or operate machinery after taking fosphenytoin as it causes dizziness.
  • Tell your doctor if you are pregnant, planning to get pregnant or breastfeeding.
  • Do not take if allergic to fosphenytoin or any of its ingredients.
  • Do not take if suffering from heart diseases affecting the heart rhythm (e.g. slow heartbeat, certain heart blocks.).
  • Do not take if suffering from disorder of abnormal red blood cell generation (acute intermittent porphyria).

Frequently asked questions for FOSENTIN


Q. Is fosphenytoin a vesicant?
Yes, fosphenytoin is a vesicant.
Q. Why is fosphenytoin better than Dilantin?
Dilantin is a brand name of phenytoin. Fosphenytoin does not have side effects which are commonly associated with the use of phenytoin (when injected intravenously or intramuscularly) such as injection site irritation and sudden changes in the heart rate (arrhythmia), hence fosphenytoin is better than Dilantin.


Content on this page was last updated on 12 August, 2015, by Dr. Varun Gupta (MD Pharmacology)