My Father Who Is 47 Years Old Is Suffering From

My father who is 47 years old is suffering from dementia and seizures. He was taking admenta 5mg and donep 5mg daily and after getting seizures doctor started levera 1000mg. It as completely turned him mad. He gets violent,don't sit at all,is not sleeping,tries to jump down from balcony and have started telling lies. Is this side effect? What should be done ?