seizures
"I have been taking Keppra for 3 years now.  I used to take Lamictal and felt crazy during that time.  I used to feel sleepy and at first I couldn't wake up in the morning when I started taking Keppra, but now I am happy to be on it. My biggest issue with Keppra is the rising cost and the fact that my body gets used to it so I have to increase my dose."