I have been taking 200mg qhs for over 2 years. I hae weaned myself off the med. I am currently trying to get pregnant. I have see my obgyn and everything is fine. My preg. test as of today says neg. I am having hot flahes on and off. My period isn t due forabout a week. I am only 38 and I don't think it is "The Change" yet. I can only wonder is there after effects to taking Topamax.