Could SIBO Be Behind Your Digestive Symptoms? Are you bothered by abdominal bloating, gas, flatulence, belching, or an irritable bowel—constipation alternating with diarrhea, or perhaps predominantly one or the other? If so, you may be dealing with small intestinal bacterial overgrowth (SIBO), a now well-recognized but still frequently overlooked form of intestinal dysbiosis. What Is SIBO? You may already be familiar with one form of dysbiosis, in which yeast (such as Candida) or harmful bacteria overgrow in the intestines and crowd out beneficial organisms. SIBO is different. SIBO occurs specifically in the small intestine—the approximately 20-foot-long, tightly coiled digestive tube that connects the stomach to the colon. Under healthy conditions, the small intestine contains relatively few bacteria compared to the colon. When bacteria or other microorganisms that normally reside there begin to proliferate excessively, a pathological imbalance develops. This overgrowth i…