Generalized tonic-clonic seizure is a type of seizure that involves the entire body. It is also called grand mal seizure. The terms seizure, convulsion, or epilepsy are most often associated with generalized tonic-clonic seizures.
Seizure - tonic-clonic; Seizure - grand mal; Grand mal seizure; Seizure - generalized; Epilepsy - generalized seizure
Seizures result from overactivity in the brain. Generalized tonic-clonic seizures may occur in people of any age. They can occur once (single episode). Or, they can occur as part of a repeated, chronic illness (epilepsy). Some seizures are due to psychological problems (psychogenic).
Many people with generalized tonic-clonic seizures have vision, taste, smell, or sensory changes, hallucinations, or dizziness before the seizure. This is called an aura.
The seizures often result in rigid muscles. This is followed by violent muscle contractions and loss of alertness (consciousness). Other symptoms that occur during the seizure may include:
After the seizure, the person may have:
Treatment for tonic-clonic seizures includes medicines, changes in lifestyle for adults and children, such as activity and diet, and sometimes surgery. Your doctor can tell you more about these options.
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