Simple febrile seizure
Duration: < 15 minutes
Frequency: maximum of one seizure within 24 hours
Features
Generalized seizures (no focal component)
Commonly tonic-clonic
Postictal phase
Quick return to normal
Confusion and drowsiness may be present for < 30 minutes.
Complex febrile seizure
A febrile seizure is classified as complex if it meets any of the following criteria:
Duration: ≥ 15 minutes or interrupted with abortive therapy
Frequency: > 1 seizure within 24 hours
Features: any focal seizure [2]
Postictal phase: may include focal neurological signs and/or postictal paralysis
Febrile status epilepticus
Any febrile seizure lasting > 30 minutes
Any series of febrile seizures lasting > 30 minutes in total without full recovery of consciousness between seizures
May be generalized or focal
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