May also be called: Absence Seizure
Petit mal seizures affect children more than adults and may be associated with other types of seizures.
There is no known cause for petit mal seizures, but they do tend to run in families. Like all seizures, they're the result of abnormal electrical or chemical activity in the brain. Hyperventilation or flashing lights may be triggers, but there may be no such identifiable triggers.
Petit mal seizures happen without warning, usually last less than 15 seconds, and can occur multiple times a day. Because they can be misinterpreted as daydreaming or lack of attention, they can be difficult to diagnose. They can be very disruptive to a student's learning in the classroom and dangerous during certain activities like swimming.
In addition to a sudden stop in movement and awareness, people who experience a petit mal seizure may make chewing motions, flutter their eyelids, smack their lips, or fumble with their hands. Following the seizure, the person will immediately return to an alert state and have no memory of the episode.
While petit mal seizures can be disturbing, many anti-seizure medications are available to significantly reduce the occurrence of seizures or even eliminate them. In addition, many kids outgrow these seizures as they reach adulthood.
All A to Z dictionary entries are regularly reviewed by KidsHealth medical experts.
|National Institute of Neurological Disorders and Stroke (NINDS) NINDS offers research information related to neurological disorders.|
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|Epilepsy Foundation Epilepsy Foundation has information on books, pamphlets, videos, and educational programs about seizure disorders. Call: (800) EFA-1000|
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