Hi Candice,

I don't know about the Wellbutrin or Topamax (never been on either of those) but just the other day my dr gave me samples of Risperdal. I did research & found out that WEIGHT GAIN is an unfortunate side effect w/ the Risperdal. I haven't been on the pills long enough to know if I'm going to gain weight or not, but you're justified in your concerns. Talk to your dr about it.

Paty