I am on Zyprexa and Abilify at the same time (as well as two antidepressants: Effexor XR and mirtazapine), and I notice some side effects. The first main concerning one is shakiness. There's no way I've found not to be on the combination of meds I take though. So I have to live with the tremor. It's terrible because it flares up in situations that make me nervous.