A febrile seizure is a fit that can happen when a child has a fever. Febrile seizures are also sometimes called febrile convulsions. They are relatively common and, in most cases, aren't serious. Around one in 20 children will have at least one febrile seizure at some point. They most often occur between the ages of six months and three years.
During a febrile seizure, the child's body usually becomes stiff, they lose consciousness and their arms and legs twitch. This is a unique form of epilepsy that occurs in early childhood and only in association with an elevation of temperature. The underlying pathophysiology is unknown, but genetic predisposition clearly contributes to the occurrence of this disorder.
A child having a febrile seizure may:
Febrile seizures happen between the ages of six months and five years. They affect between 2-5% of children.