used for migrains but Dr. dosent seem to understand that they arent that bad to be on medication.. had a stroke a TIA june 2008 and he seems to think it was more of a migraine than anything loss of speach and right side and memorie for a week dosent sound like a migraine to me but then again not a Dr. put me on topomax to stop double vision and it has helped with that but the side effects are so bad been on it for a year now