
Epilepsy - Symptoms and causes - Mayo Clinic
Oct 14, 2025 · Epilepsy is diagnosed if you've had at least two seizures without a clear cause at least 24 hours apart. Seizures that don't have a clear cause are known as unprovoked seizures.
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 …
Tonic-clonic (grand mal) seizure - Symptoms and causes
Feb 1, 2025 · Get the latest epilepsy information from Mayo Clinic delivered to your inbox. Sign up for free and receive the latest on epilepsy treatment, care and management.
Epilepsy - Diagnosis and treatment - Mayo Clinic
Oct 14, 2025 · Learn about this condition that causes seizures. Find out which symptoms are associated with different types of seizures and how they're treated.
Epilepsy - Overview - Mayo Clinic
Nov 8, 2025 · Seizures remain inadequately controlled in about a third of people with epilepsy. As a Level 4 comprehensive epilepsy center, Mayo Clinic is positioned to identify the best …
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 …
Absence seizure - Symptoms and causes - Mayo Clinic
Jan 21, 2025 · In general, seizures occur as a result of a burst of electrical impulses from nerve cells in the brain, called neurons. Neurons typically send electrical and chemical signals …
Febrile seizure - Symptoms & causes - Mayo Clinic
Mar 3, 2023 · Febrile seizures are provoked seizures and don't indicate epilepsy. Epilepsy is a condition characterized by recurrent unprovoked seizures caused by abnormal electrical …
Tonic-clonic (grand mal) seizure - Mayo Clinic
Feb 1, 2025 · Get the latest epilepsy information from Mayo Clinic delivered to your inbox. Sign up for free and receive the latest on epilepsy treatment, care and management.
Seizures - Diagnosis and treatment - Mayo Clinic
Nov 1, 2024 · Get the latest epilepsy information from Mayo Clinic delivered to your inbox. Sign up for free and receive the latest on epilepsy treatment, care and management.