Pain in lower right abdomen moved to the left. i have gas, nausea, and occasional diarrhea. what could this be?

Gas abdominal pain: Could be irritable bowel , or food intolerences. - milk soy, gluten most common, test by one week at a time avoiding products w/ those ingredients and seeing if a difference--cqan be wheat sensitive w/o celiac disease . Also consider H pylori a gastritis bacteria that can at times cause diarrhea, if upper abdomen consider gallbladder. May also be early ileitis. F/u/ w/ doc gastroenterologist.