Effexor
"I only give it two stars because it did relieve some depression while I was on it.  After being on it for about 2 months, I realized that I wasn't feeling like myself at all.  I felt like I was losing my personality and ambition.  So I decided to taper off, and my doctor had me decrease 37.5 mg per week until I was off the med.  During the tapering I didn't notice anything major side-effect-wise, but the second day I was completely off of it, everything kicked in.  I felt like I was going to die, with major brain zaps and horrible migraines being consistent for a week. I also gained 15 pounds in what seemed like a few days.  It's now been a month since I've been off of this awful drug, and I still have brain zaps, and the weight gain too."