i am write for my daughter . she has been having servere dizziness and tingling in arms and legs myoclonic jerks, falling, blurry vision, temporary hearing and vision loss and passing out . when she wakes very difficult for her to see or speak for any where from a fifteen minutes to two hours. have been on a variety of drugs but nothing seems to work. sometimes she will have as many as three attacks per week. can anyone offer any advice.