Hi Medicated,
I take 300mg.Welbutrin, too, as well as 15mg. of Abilify. I am taking 125mg. of Topamax. I was put on it mainly for weight loss. It definately works. I went from fat to skinny! I mean skinny. I also take Prozac(about to come off it) and 400mg. of Lamictal.
The Topamax along with Lamictal help with mood stabilization. I just love my Topamax. Yes, you do get brain fog in the beginning. Good luck.