As I'm also on Abilify, Lamictal, and Effexor XR
and have a very hard time losing any of the weight I really need to lose, I talked to her about it, and she ended up giving me a script for Metflorpen. It's a med that's technically for pre-diabetics, but is often given to people dealing with *severe* weight gain from side effects. It changes how the body uses the calories that we eat.
I would definitely as your doc about the weight gain, and ask what they would recommend.