Also Topamax, which typically leads to weight loss (average of about 30 lbs, IIRC), and Abilify, which apparently causes weight loss in some people, or is at least weight-neutral.

I'm on 15 mg/Abilify a day and love it! I did lose about 10 lbs at first, but now my weight is stabilized. At least I'm not gaining like I did on Depakote, Zyprexa and Seroquel.

Have to agree with Okiedokie that Neurontin is great for anxiety and has few (or no) side-effects, but it doesn't work well as a mood stabilizer for many people and isn't prescribed for that as much as for anxiety these days, or so says my pdoc.