cavernous angioma I m 53 and 235lbs. 5 10 .I have a grand mal seizure for the first time 2 yrs.ago. Diagnosis is a cavernous angioma that leaked.I m looking to heal the angioma to get off keppra.Also have high blood pressure and great stress. Side effect to keppra are confusion, insomnia, anxiety, intolerance, anger.