Types
There are two types of febrile seizures.
- A simple febrile seizure is one in which the seizure lasts less than 15 minutes (usually much less than this), does not recur in 24 hours, and involves the entire body (classically a generalized tonic-clonic seizure).
- A complex febrile seizure is characterized by longer duration, recurrence, or focus on only part of the body.
The simple seizure represents the majority of cases and is considered to be less of a cause for concern than the complex.
Simple febrile seizures do not cause permanent brain injury; do not tend to recur frequently (children tend to outgrow them); and do not make the development of adult epilepsy significantly more likely (about 3–5%), compared with the general public (1%). Children with febrile convulsions are more likely to suffer from a febrile epileptic attack in the future if they have a complex febrile seizure, a family history of a febrile convulsions in first-degree relatives (a parent or sibling), or a preconvulsion history of abnormal neurological signs or developmental delay. There is an 80% chance that children who have complex febrile seizures will have seizures later on in life. Similarly, the prognosis after a simple febrile seizure is excellent, whereas an increased risk of death has been shown for complex febrile seizures, partly related to underlying conditions.
Read more about this topic: Febrile Seizure
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