seizures
"Started having grand mal seizures about 4 or 5 years ago. I've been on Keppra for awhile now the 1st two drugs made me way too tired. I get headaches everyday and sometimes "flip out" (get really mean and mad) easily. I never thought it could be from the Keppra but now I wonder if it is. I have been seizure free though which is worth it to me!"