![]() Blood tests: To look for vitamin deficiency due to malnutrition.The sample is evaluated in the laboratory for bacterial growth. Intestinal aspiration: This study uses an endoscope - a thin, flexible tube with a camera and light source - that is inserted through your oesophagus and stomach into your intestine where a sample of intestinal fluid is collected.This test helps to detect high levels of methane and hydrogen which are released by bacteria as they digest the sugar solution. You will be then instructed to breathe out every 15-20 minutes in a bag for 3 hours as the solution gets digested. Lactose breath test: Your doctor will give you a sugar solution to drink. ![]() ![]() The following diagnostic tests may be ordered: Your doctor will review your medical history and symptoms and perform a physical examination. Symptoms of small intestinal bacterial overgrowth include:ĭiagnosis of Small Intestinal Bacterial Overgrowth Symptoms of Small Intestinal Bacterial Overgrowth Scar tissue in or around the small intestine.Structural abnormalities of the small intestine such as a loop or fistula.A history of abdominal surgery (Scar tissue).Small intestinal bacterial overgrowth (SIBO) occurs when food moves slowly through the digestive system, promoting the growth of bacteria, and in turn diarrhoea and malnutrition. Causes of Small Intestinal Bacterial Overgrowth In most cases, these bacteria do not normally reside in the small intestine but arrive from other parts of the gut. Small intestinal bacterial overgrowth (SIBO) is a condition characterized by an abnormal increase of bacteria in the small intestine that may be associated with abdominal pain, malnutrition, or other symptoms. What is Small Intestinal Bacterial Overgrowth (SIBO)?
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