Small intestinal bacterial overgrowth
Description
A condition in which high numbers of bacteria grow in the small intestine.
Overview
In small intestinal bacterial overgrowth, the bacteria consume nutrients typically absorbed into the body by the small intestine. This may cause malnourishment. It can be caused by complications of surgery, structural problems with the intestine or certain conditions, including Crohn's disease.
Symptoms
Symptoms include belly bloating, pain, diarrhea and weight loss.
Treatments
Treatment may include antibiotics and nutritional support, including supplements and dietary changes.
Last Updated Feb 15, 2024
© 2024 Mayo Foundation for Medical Education and Research (MFMER). All rights reserved. Terms of Use