My psychiatrist decided to put me on Lamictal instead of lithium (in addition to my other meds). I am more stable now than I have ever been (going on 4 weeks). It took 4 months of being on it to get leveled out. I still experience enthusiasm and happiness. Maybe it might work better for you. I'm also on Wellbutrin, Abilify, Cymbalta, and Klonopin.