Hello Dear. Keppra is used to treat partial onset seizures in adults and children who are at least 4 years old. Keppra is also used to treat tonic-clonic seizures in adults and children who are at least 6 years old, and myoclonic seizures in adults and children who are at least 12 years old. The symptoms you mentioned in your brother may be due to side effects of Keppra. Kindly talk to your doctor if the drug has to be changed. Keppra side effects: Get emergency medical help if you have signs of an allergic reaction to Keppra: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, depression, anxiety, panic attacks, trouble sleeping, or if you feel agitated, hostile, irritable, hyperactive (mentally or physically), or have thoughts about suicide or hurting yourself. Call your doctor at once if you have: 1. unusual changes in mood or behavior (unusual risk-taking behavior, being irritable or talkative); 2. confusion, hallucinations, loss of balance or coordination; 3. extreme drowsiness, feeling very weak or tired; 4. bruising, severe tingling, numbness, pain, muscle weakness; 5. problems with walking or movement; 6. the first sign of any skin rash, no matter how mild; 7. severe skin reaction--fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain, followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling; or 8. signs of infection--fever, swollen gums, painful mouth sores, pain when swallowing, skin sores, cold or flu symptoms, cough, trouble breathing. Common Keppra side effects may include: 1. dizziness, drowsiness; 2. feeling tired; 3. weakness; 4. feeling aggressive or irritable; 5. loss of appetite; 6. stuffy nose; or 7. infection. Hope i have answered your question. Feel free to contact me if you have any more questions. I ll be glad to help you. All the best With warm regards Dr Sanjay Kini