Have they done a small bowel follow through?
My mother had these same symptoms and discovered she had a bowel obstruction due to scar tissue in her bowels.
Also as your doctor to do a stomach emptying test on you.
Lupus, Fibromyalgia, Glaucoma, Asthma, Hypothyriodism, Sleep Apnea, Degenerative Disk and Facet Disease, and Allergies
When life throws you lemons....
Pick them up and throw them right back at them! :))