I have bad stomach pain w/o eating but when i eat and drink its ten times worse plus the food comes back up im mouth fulls for the next hour till its out of my stomach same w liquids doctors tried testing , they dont know i had a gtube i threw that up to, so they took it out, i have gastritis, coloitis esphogitus, pepcide ulcer disease, i just need help, i get dizzy and lightheaded with movement now got POTS. But everything is getting worse. Just need some ideas?