A generalized tonic-clonic seizure is a seizure involving the entire body. It is also called a grand mal seizure. The terms "seizure," convulsion," or "epilepsy" are most often associated with generalized tonic-clonic seizures.
For more information see:
Generalized tonic-clonic seizures may occur in people of any age. They may occur once (single episode), or as part of a repeated, chronic condition (epilepsy).
Many patients with generalized tonic-clonic seizures have vision, taste, smell, or sensory changes, hallucinations, or dizziness before the seizure. This is called an aura.
After the seizure, the person may have:
For more information about diagnosis and treatment, see:
Seizure - tonic-clonic; Seizure - grand mal; Grand mal seizure; Seizure - generalized
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Updated by: Luc Jasmin, MD, PhD, Department of Neurosurgery at Cedars-Sinai Medical Center, Los Angeles, and Department of Anatomy at UCSF, San Francisco, CA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Health Solutions, Ebix, Inc.
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