
Tonic-clonic (grand mal) seizure - Symptoms and causes
Feb 1, 2025 · Or seizures can be generalized, in which they result in electrical activity in all areas of the brain. Tonic-clonic seizures may begin as focal seizures in a small area of the brain and …
Tonic-Clonic Seizures - Epilepsy Foundation
Tonic-clonic seizures can start in one or both sides of the brain. When they start in both sides of the brain, they are called generalized onset motor seizures or a generalized tonic-clonic …
Generalized tonic–clonic seizure - Wikipedia
A generalized tonic–clonic seizure, commonly known as a grand mal seizure or GTCS, [1] is a type of generalized seizure that produces bilateral, convulsive tonic and clonic muscle …
Tonic and Clonic Seizures - Johns Hopkins Medicine
A seizure that originates in both halves (hemispheres) of the brain simultaneously, causing stiffness or twitching throughout the body, is known as a generalized tonic or clonic seizure.
Tonic-Clonic (Grand Mal) Seizure: Symptoms & Treatment
Tonic-Clonic (Grand Mal) Seizure A tonic-clonic seizure causes sudden muscle stiffness, shaking and loss of consciousness. It happens when abnormal electrical activity spreads through your …
Generalized Tonic-Clonic Seizure - PubMed
Jul 3, 2023 · A generalized tonic-clonic seizure is a motor seizure and the most common type seen in patients with epilepsy. Generalized tonic-clonic seizures arise within and rapidly …
Generalized Tonic Clonic Seizures - What You Need to Know
Nov 10, 2025 · Care guide for Generalized Tonic Clonic Seizures. Includes: possible causes, signs and symptoms, standard treatment options and means of care and support.
Epilepsy: Generalized Tonic-Clonic Seizures - Kaiser Permanente
Dec 3, 2024 · Epilepsy: Generalized Tonic-Clonic Seizures Overview Generalized tonic-clonic (grand mal) seizures are the easiest seizures to recognize. They happen most often in people …
The Different Types of Seizures and What They Look Like
Explore the major types of seizures—from focal to generalized—and their key signs and symptoms. Gain the knowledge you need to recognize seizure patterns and support effective …
Generalized Tonic-Clonic Seizure - UF Health
Bilateral tonic-clonic seizure is a type of seizure that involves the entire body. It is also called grand mal seizure. The terms generalized seizure, convulsion, or epilepsy are most often …