Underlying Causes of SIBO

There are many causes of Small Intestine Bacterial Overgrowth. This lecture explains both the physiologic underlying causes as well as the many risk factors. Physiologic underlying causes primarily encompass failure of protective mechanisms such as the migrating motor complex and anatomic alterations. Risk factors encompass diseases, injuries (including surgery), medications and other lifestyle factors as well as genetics. A clinical checklist of risk factors is discussed along with testing and treatment.