Topiramate
"I gained 60 pounds in under 2 years from being on  gabapentin for arthritis and fibromyalgia. I learned I had pre diabetes & asked my Dr to put me on it and she was more than willing. 40 pounds melted off me like butter in less than 2 months no problem, UNTIL... MY LONG BLONDE HAIR was clogging the drain every day in the shower! Long story short, what's the point in being skinny if your bald? I HAD pretty hair, now 3/4 of it's gone and still not growing back! Makes me wonder what other damage it's done.  Not worth it!!"