Have they done tests on your gallbladder, Hida scan, CT etc?
your symptoms sound like mine.and i was give Prevacid, Nexium.and they did nothing for me i cant eat,and i lost abt 25 pounds in like 2 weeks.nothing helps my stomach pain or the vomiting
Please PLEASE look up Superior Mesenteric Artery Syndrome. The wikipedia account is written by an SMA survivor, like my fiance, who was suffering from dibilating abdominal pain, vomiting, and intense weight loss for several years before corrective surgery simply because it is rare and many doctors wouldnt recognize it on a ct scan, endoscopy, or g.i. series. You need to find a g.i. dr willing to look into and and have a radiologist or someone be able to check the Superior Mesenteric Artery and also see if there is a non-mechanical obstruction somewhere in the duedenum which you can see with that barium swallow test. Don't give up searching, the more ppl who pursue this, the more doctors will recognize it and who knows, maybe it's not as rare as they'd like us too believe ;)