Stomach ache symptom of irritable bowel syndrome, Chronic Diarrhea, Colon, stomach pain,Crohn’s Disease, Gastroesophageal Reflux Disease (GERD), gallstone,gastric pain. Shutterstock Image - Stomach ache symptom of irritable bowel syndrome, Chronic Diarrhea, Colon, stomach pain,Crohn’s Disease, Gastroesophageal Reflux Disease (GERD), gallstone,gastric pain. - ID: 727606792