I am a sixteen year old girl and i have been having stomach pain for about 7 months now. the pain is usually in the upper left side and radiates out. my
symptoms are weight loss, severe constipation, headaches, bloating, gas, and loss of appetite. Ive had and endoscopy, colonoscopy, cat scan, xray, multiple blood tests, allergy tests, diabetes test, fructose intolerance test and the doctors haven found anything except lactose intolerance.