What dose was the abilify? I didn't have a problem going from 5 to 0, but any higher than that might not be fun. Effexor I think I stopped at 75 and it wasn't too bad. Lamictal I went from 200 one week to 100 the next week to 50, then 25, then 0. So no help there I'm afraid. Not sure what the withdrawals would be like. Have you looked up withdrawal symptoms online?