seizures
"I've been on Keppra for two years now, 500mg morning & 500mg evening. No side effects at all and no seizures since I started on it. Initially I had some tingling in my lips but that ended after a week or so, nothing since. Like the "animal alerts" I keep on my vehicles you can't tell if it works except for the absence of anything bad happening which in my case nothing has with either Keppra or the animal alerts so they both must work since before them I had one seizure and also hit a deer a moose and some rodents who darted out in front of me but no longer do.  I checked for interactions of all medications and would advise anyone with a bad reaction to any med to do so as well."