Thanks for the questioning in HCM
Dear the all symptoms you are explaining above in your question are the side effects of Keppra. Other side effects are Dizziness; drowsiness; irritability; sore throat; tiredness; weakness, memory loss; muscle or neck pain; new or worsening mental, mood, or behavior changes (eg, aggression, agitation, anger, anxiety
, apathy, depression
, hostility, irritability, panic attacks, restlessness
As you are suffer from JME you have to take this medicine and to get rid of these symptoms you must consult your neurologist
for better opinion.