Celiac Disease, Crohn’s Disease, and Irritable Bowel Syndrome are among the most common digestive disorders. In all three cases, the cause is unknown and, if diagnosed, they often require lifestyle changes. The best way to manage these disorders is to be aware of the symptoms and factors that may put you at risk. If you are experiencing the symptoms below, schedule an appointment with your doctor to discuss your options. Celiac disease is an autoimmune disorder where the ingestion of gluten leads to damage in the small intestine.