Phenytoin is an anticonvulsant which may be useful in the treatment of status epilepticus of the grand mal type. The primary site of action appears to be the motor cortex where spread of seizure activity is inhibited. Possibly by promoting sodium efflux from neurons, phenytoin tends to stabilize the threshold against hyperexcitability caused by excessive stimulation or environmental changes capable of reducing membrane sodium gradient. This includes the reduction of post-tetanic potentiation at synapses. Loss of post-tetanic potentiation prevents cortical seizure foci from detonating adjacent cortical areas. Phenytoin reduces the maximal activity of brain stem centers responsible for the tonic phase of grand mal seizures.
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This medicine must be used under the direction of your doctor. You must avoid the overdose of it. If overdose is taken by you just contact to your doctor immediately or else it may cause a serious problem for you.
Phenytoin has some side effects like perplexity, trouble in sleeping, faintness, headache, nausea and vomiting, unclear speech, strange movement of eye. If you feel any side effect after using this medicine, talk to your doctor immediately.
You should not use it if you have allergy problems with the elements of this medicine. This medicine may have interactions while using it in the blend of other medicines so it is better to share your medical record with your doctor. You should also tell him the medicine that you have used earlier.