gastrointestinal disorders
Small Intestinal Bacterial Overgrowth (SIBO)
Introduction
Small intestinal bacterial overgrowth can result from alterations in intestinal anatomy or gastrointestinal motility, or lack of gastric acid secretion. This condition can lead to vitamin deficiencies, fat malabsorption, and undernutrition. Diagnosis is by breath test or quantitative culture of intestinal fluid aspirate. Treatment is with oral antibiotics. Small intestinal bacterial overgrowth (SIBO) is a Overview of Malabsorption . Under normal conditions, the proximal small bowel contains<105bacteria/mL, mainly gram-positive aerobic bacteria. This low bacterial count is maintained by normal peristalsis, normal gastric acid secretion, mucus, secretory IgA, and an intact ileocecal valve. 