the severe epilepsies are characterized by an early commencement of fits ( before 3 years ) , associated symptoms of encephalopathy , lack of familial antecedents , association of several types of seizures , or the existence of a particular critical semiology ( either complex partial motor seizures , or succession of simple motor and complex semiology , sudden fall , or reflex triggering ) .
C0014544
epilepsies
C0036572
seizures