Normal brain functions are impaired with a seizure. This kind of seizure is called a fever fit. A temperature higher than 102 F can set off a fever fit.
High fevers are the most common cause of seizures in children ages six months to four years.
These seizures are generally harmless. Epilepsy, a brain disorder. Seizure is the most common symptom of epilepsy. Brain injury, tumor or stroke. Reactions or overdoses to medicines or drugs.