Phenytoin uses: Phenytoin is an anticonvulsant drug

Phenytoin is an anticonvulsant drug used in the prophylaxis and control of various types of seizures. Phenytoin is a prescription medicine used to treat certain types of seizures and prevent seizures during or after neurosurgery. Learn about its dosage forms, common and serious side effects, warnings, interactions, and how to store it. Phenytoin is primarily used to control seizures in epilepsy, which is a disorder that causes seizures. It may also be prescribed for other conditions as determined by a doctor. Phenytoin works by stabilizing electrical activity in the brain, which helps prevent seizures. Phenytoin is used in the treatment of epilepsy, epilepsy/seizures, mania, migraine, trigeminal neuralgia and seizures. Phenytoin is an antiepileptic medication. It controls seizures or fits by decreasing the abnormal and excessive activity of the nerve cells in the brain.