Seizure accompanied by fever without central nervous system infection, metabolic or electrolyte disturbances, or a history of afebrile seizure or any acute neurological insult/head trauma in children aged 6 months to 6 years. Few guidelines include younger children up to 3 months [National Institutes of Health (NIH)] and even 1 month [International League against Epilepsy (ILAE)] after ruling out causes of provoked seizures. Fever can occur anytime during or after a seizure and the majority of febrile seizures (FSs) occur within 24 hours of fever onset Fever with isolated, generalized tonic clonic seizures, which last <15 minutes, and do not recur within 24 hours. Fever with seizures with any one of the following features: focal and/or prolonged for >15 minutes and/or recur within 24 hours and/or have incomplete recovery within 1 hour. febrile status convulsion Febrile seizure lasting for 30 minutes or more and/or series of seizures without full recovery in between that.