Last few months have had bad stomach acid pain giving bad taste in throat and painful, it's sore on left side when I eat anything, started to be sick a lot and looks like bits of dark blood, also when going to toilet sometimes it looks like red/ pink jam blobs, doctor tole me to take lansoprazole for a month which has helped with the bad taste in mybthroatbimwas getting but nothing else, scared to go back as feel I am wasting gps time