Small intestinal bacterial overgrowth is characterized by an abnormal rise in the total number of bacteria in the small intestine, especially those that are uncommon in that region of the digestive tract. Blind loop syndrome is one name for this condition. SIBO frequently occurs when a condition like surgery or illness slows the passage of food and waste materials in the digestive tract, creating a favorable environment for bacterial growth. In addition to frequently causing diarrhea, the extra bacteria can lead to malnutrition and weight loss. While stomach (abdominal) surgery complications are a common cause of SIBO, this condition can also be brought on by structural issues and certain diseases. Antibiotics are the most widely used form of treatment, but surgery may occasionally be required to fix the issue. abdominal surgery complications, such as gastric bypass for obesity and gastrectomy for the treatment of peptic ulcers and stomach cancer. structural issues with your small intestine, such as tissue pouches that protrude through the small intestine’s wall and intestinal adhesions that can wrap around the outside of the small bowel. The movement (motility) of food and waste products through the small intestine can be slowed down by a number of medical conditions, such as Crohn’s disease, radiation enteritis, scleroderma, celiac disease, diabetes, or other conditions. With a length of about 20 feet, the small intestine is the digestive system’s longest segment. Food and digestive juices combine in the small intestine, where nutrients are absorbed into the bloodstream. Due to the rapid flow of contents and the presence of bile, your small intestine typically has less bacteria than your large intestine.