the 1980 national institutes of health consensus development conference on febrile seizures identified five circumstances in which it might be appropriate to consider anticonvulsant prophylaxis after a first febrile seizure : ( 1 ) a focal or prolonged seizure , ( 2 ) neurologic abnormalities , ( 3 ) afebrile seizures in a first-degree relative , ( 4 ) age less than 1 year , and ( 5 ) multiple seizures occurring within 24 hours .
C0009952
febrile seizure
C0036572
seizures