What is the cause of stomach pain and diarrhea

Stomachache, diarrhea is generally considered to be related to the following factors: 1. Irregular diet;2. Infection factors: may eat food contaminated by bacteria and viruses. 3. Intestinal inflammation: acute and chronic enteritis, ulcerative colitis, Crohn's disease. 4. Gastrointestinal tumors, etc. Therefore, usually to develop good eating habits, do not be contaminated by bacteria and viruses of food, for diseases, actively seek help from doctors, early treatment.