
Epilepsy - Symptoms and causes - Mayo Clinic
Oct 14, 2025 · Epilepsy happens as a result of abnormal electrical brain activity, also known as a seizure, kind of like an electrical storm inside your head. And because your brain controls so much, a …
Seizures - Symptoms and causes - Mayo Clinic
Nov 1, 2024 · Epilepsy is defined as having two or more seizures at least 24 hours apart that don't have a known cause. But epilepsy doesn't cause all seizures. There are many types of seizures. They …
Explaining epilepsy - Mayo Clinic
Apr 28, 2023 · Around 3 million people in the U.S. have epilepsy, making it the fourth most common neurological disease after migraine, stroke and Alzheimer's. Epilepsy happens as a result of …
Epilepsy - Diagnosis and treatment - Mayo Clinic
Oct 14, 2025 · You may need an anti-seizure medicine that can prevent your migraines and treat epilepsy. At least half the people newly diagnosed with epilepsy become seizure-free with their first …
Tonic-clonic (grand mal) seizure - Symptoms and causes
Feb 1, 2025 · Usually, a tonic-clonic seizure is caused by epilepsy. But sometimes this type of seizure can be triggered by other health problems, such as a high fever or damage to the brain.
EEG (electroencephalogram) - Mayo Clinic
May 29, 2024 · An EEG records the electrical activity of the brain through electrodes put on the scalp. EEG results show changes in brain activity. This may help diagnose brain conditions such as …
Epilepsy surgery - Mayo Clinic
Nov 14, 2024 · Overview Epilepsy surgery is a procedure to reduce seizures and improve the quality of life of people who have epilepsy. Epilepsy surgery is most effective when seizures always occur in a …
Epilepsy - Overview - Mayo Clinic
Nov 8, 2025 · Our neurologists trained in epilepsy and seizures have expertise and experience in evaluating and treating adults and children with epilepsy and seizures. Each year, Mayo Clinic teams …
Demystifying epilepsy and increasing awareness
Nov 22, 2016 · Epilepsy, also known as a seizure disorder, is a neurological condition affecting the nervous system. Epileptic seizures are caused by disturbances in the electrical activity of the brain.
Autoimmune epilepsy - Symptoms and causes - Mayo Clinic
Dec 21, 2024 · Learn when epilepsy is an autoimmune disease and why early diagnosis and the right treatment are important.