Absence seizure — also known as petit mal seizure — involves only a brief, sudden lapse of conscious activity. Occurring most often in children, absence seizure may look like the person is merely staring into space for a few seconds.

Compared with other types of epileptic seizures, the petit mal variety is very mild. But that doesn't mean they can't be dangerous. Children with a history of absence seizure must be supervised carefully while swimming or bathing, because of the danger of drowning. They may also be restricted from driving and other potentially hazardous activities.

Some people experience hundreds of these episodes each day, which interferes with their performance at school or work. Absence seizures can usually be controlled with anti-seizure medications. Many children outgrow these seizures in their teen years.