Eclectus with liver issues?

doxycycline and lactulose. and i am to hand feed him only ensure nothing else . both of these meds needs to be given together , and diet hada big part of it as well yes i went through this with a parakeet back in august and to this day the keet is alive and well and happy it took time we still have him checked every 6 months , also is this a avain vet , if not suggest to get a avain vet if so then she can call ucdavis vet medical place and they can give her advice on what to start on next good luck