My Daughter is 9 years old, she had her first seizures in sleep very early morning around 5am , since then for the past 2 years , my daughter has since got seizures for almost 8 times now.we had a Video EEG checked which confirmed left occipital seizures.THE MRI and statis EEG was normal . Now the doctor has advised Valparin 300 Chrono 2 times a day, is this medication a Prevention for further seizures or a cure? , what are its side effects ? she is a very cute , sensitive child.Please help explain my queries .How long should this medication be continued ?