I have also been diagnosed with those. It was bipolar disorder first and was put on zoloft and Depakote. Then schizophrenia and on zoloft and Risperdal and then ADD and now I'm taking Adderall. I have problems with moodiness on it also. But I have the opposite problem with my emotions. Mine are extremely heightened. And I now cry over even the simplest of things. But I believe the same thing one of the other posts said. I believe that you can suffer from all three of those and them alternate which one is affecting you at times. Because with every new diagnosis and having my meds switched I realized that each of those meds helped me at that time. So now my meds get shifted to different combinations of the meds listed above to help me through certain times. It's not the best having to do it but it works.