I have recently changed my diet to a high-fiber, no meat diet.  For the last 2 days I have had pain in the middle of my stomach and the upper right side of my back about 2-3 hours after I have eaten.  It last for about 4-5 hours.  When it was really bad, it resulted in vomiting.  Any ideas or suggestions.
Hello, Thanks for using Chat Doctor. Fibers are plant product not absorbed by our intestine, they absorb water and form bulk to soften the stool. But the quantity to be taken differs from person to person, at the same time you need to Chat Doctor. The main side effect of taking fiber is gas formation, which if it does not pass causes trouble, in form of colic, making the individual uncomfortable. The remedy I use with my patients in my clinic is start with low dose, educating them about