Please Please I beg you would someone tell me what works best for you?

for your bipolar/depression.Please Im at the end of my rope.I have tried Zyprexia,prozac,xanex, and all the zyprexia did for me was make me gain wt.The depression meds seem to work its the medications for the bipolar that seems to give me problems such as wt gain and that is something I can not have.