Why do i have a sharp pain in my stomach?

Many causes: Cause depends on location and type of pain. The causes of right sided abdominal pain are many. In upper abdomen, gall bladder, liver, stomach, small bowel, large bowel, and kidney can all contribute. Appendix symptoms are usually in the right lower quadrant of abdomen. The large bowel extends from right to left side and cause left sided pain. Kidney and pancreas may also be left sided. See doctor.