DefinitionBy Mayo Clinic staff
A febrile seizure is a convulsion in young children that may be caused by a spike in body temperature, often from an infection. Watching your child experience a febrile seizure can be alarming. And, although a febrile seizure may last only a few minutes, it may seem like an eternity to you.
Febrile seizures represent a unique response of a young child's brain to fever. Fortunately, febrile seizures aren't as dangerous as they may look. They're usually harmless and typically don't indicate a long-term or ongoing problem. You can help your child by keeping him or her safe during a febrile seizure and offering comfort afterward.
After a febrile seizure, call your doctor to have your child evaluated as soon as possible.
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