What is Epilepsy? Epilepsy is a chronic central nervous system (neurological) disorder in which brain activity suddenly becomes abnormal, causing seizures or periods of unusual behavior, peculiar sensations, and sometimes a complete loss of awareness. Important Note: Experiencing a single seizure does not mean you have epilepsy. Clinically, at least two unprovoked seizures occurring more than 24 hours apart are generally required for a formal epilepsy diagnosis. While an epilepsy diagnosis can feel overwhelming, modern treatment with medications or specialized surgery can successfully control seizures for the vast majority of people. Additionally, some children with epilepsy may eventually outgrow the condition as their brains mature. Symptoms & Types of Seizures Because epilepsy is caused by abnormal electrical storms in the brain, seizures can affect virtually any process your brain coordinates. Symptoms vary wildly dep...