Gut Instincts: A Clinician's Handbook of Digestive and Liver Diseases

Eric Esrailian, MD, MPH

Chapter 7: Nutrition (continued)

Leo Treyzon, MD, MS

Nutrition represents, for the gastroenterologist, what pharmaceuticals represent for the internist: an indispensable tool for the treatment of most gastrointestinal (GI) conditions. In an outpatient setting, 2 of the most common patient-driven nutritional concerns deal with the management of bloating and weight-loss efforts. The differential diagnosis of bloating is broad and includes conditions such as lactose intolerance, fructose intolerance, small intestinal bacterial overgrowth, irritable bowel syndrome (IBS), constipation, diarrhea, dyspepsia, obesity, celiac disease, food…