How does phenytoin treat seizures?

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Phenytoin treats seizures by reducing unusual electrical movement that occurs in the brain. When it's absorbed into your body, it slows or stops the spread of seizure activity at the motor cortex, which is where seizures begin. Some researchers think that phenytoin stabilizes the tendency of neurons to get excited in people who have seizures. The drug is administered either by capsule, tablet, or liquid solution. Your doctor will prescribe your dosage according to your needs.