Leviteracetam is one of the drugs used in treatment of epilepsy with good results.I assume with this drug you are able to control epileptic episode.your symptoms could be due to the adverse effects of the drug. The most common significant side effect of levetiracetam is somnolence (i.e., lethargy), asthenia , infection, dizziness , and unsteady gait. Less common side effects include thinking abnormalities, memory problems, anxiety, depression, agitation , vertigo , and paresthesias In such instances you should consult with your neurologist to discuss your symptoms as well as to rule out other neurology issues.