Febrile seizure (within the age range of 3 months to 6 years) Seizures, febrile, in early childhood Febrile convulsion Fever induced seizures Febrile seizures Seizures, generalized, associated with fever HP:0002373 Typically febrile seizures are limited to the age range of 3 months to 6 years and not accompanied or preceded by afebrile seizures; in this case febrile seizures are not considered indicative of epilepsy. When febrile seizures occur prior to the age of 3 months, or continue beyond the 6th birthday, or when a person has both febrile seizures and afebrile generalized tonic-clonic seizures then a diagnosis of Febrile Seizures Plus (an epilepsy syndrome) may be made. HP:0007102 UMLS:C0009952 A febrile seizure is any type of seizure (most often a generalized tonic-clonic seizure) occurring with fever (at least 38 degrees Celsius) but in the absence of central nervous system infection, severe metabolic disturbance or other alternative precipitant in children between the ages of 3 months and 6 years. SNOMEDCT_US:41497008 HP:0002175 Seizure precipitated by febrile infection