Diarrhea farts more stomach pain waist acid consider acute gastroenteritis, ulcerative colitis, intestinal flora imbalance and other disease factors. 1. Acute gastroenteritis: caused by a variety of infectious or non-infectious factors, can be manifested as diarrhea, abdominal pain, nausea, vomiting, etc., can also be accompanied by increased farting. 2. Ulcerative colitis: it is a chronic non-specific inflammatory disease of the rectum and colon of unknown etiology; it can be characterized by abdominal pain, diarrhea, mucous blood stools and other symptoms, and diarrhea symptoms may be severe when the symptoms of lumbago occur. 3. Intestinal flora imbalance: the balance between the normal microflora in the intestinal tract is disrupted, leading to diarrhea, abdominal pain and other symptoms, and food in the intestinal tract is constantly abnormal fermentation can be caused by an increase in farting. Diarrhea, farts, stomach pain, back pain, it is recommended to go to the hospital and ask the doctor to make a judgment, should not be blindly judged.