If I were you I'd go ahead and start the taper from Zyprexa, at least. That's something you and your doc tried before when you started the Rexulti. If you do it successfully it'll just be following the plan you made earlier in the year. If it doesn't work, you're right back where you started. Then again you don't really want your doc feeling you've gone rogue and decided to start changing things willy-nilly. Good luck whatever you decide.

I think the Lithium requires more thought and buy-in from your doc.