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What are tonic-clonic (or grand mal) seizures?

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Tonic-clonic (or grand mal) seizures are the most noticeable type of epileptic seizure. When you have this type, your body stiffens, jerks, and shakes, and you lose consciousness. Sometimes you lose control of your bladder or bowels. They usually last 1 to 3 minutes -- if they go on longer, someone should call 911. That can lead to breathing problems or make you bite your tongue or cheek.

From: Types of Seizures and Their Symptoms WebMD Medical Reference

SOURCES:

The Epilepsy Foundation.

Johns Hopkins Medicine.

National Institute of Neurological Disorders and Stroke.

CDC: “Epilepsy: Types of seizures.”

The Mayo Clinic: “Epilepsy: Symptoms and causes.”

University of Chicago Medicine: “Epilepsy: Types of seizures.”

Reviewed by Neil Lava on July 12, 2017

SOURCES:

The Epilepsy Foundation.

Johns Hopkins Medicine.

National Institute of Neurological Disorders and Stroke.

CDC: “Epilepsy: Types of seizures.”

The Mayo Clinic: “Epilepsy: Symptoms and causes.”

University of Chicago Medicine: “Epilepsy: Types of seizures.”

Reviewed by Neil Lava on July 12, 2017

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What are generalized clonic seizures?

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