Current Gastroenterology Reports

, Volume 14, Issue 5, pp 439–445 | Cite as

Antibiotics for Irritable Bowel Syndrome: Rationale and Current Evidence

  • Amit H. Sachdev
  • Mark PimentelEmail author
Large Intestine (B Cash, Section Editor)


Irritable bowel syndrome (IBS) is the most common gastrointestinal condition effecting adults in developed countries worldwide. Over the last decade, evidence has emerged suggesting that gut bacteria play a role in the pathophysiology of IBS. While difficult to identify using noninvasive means, one of the most common attributable bacterial concepts in IBS is the small intestinal bacterial overgrowth hypothesis (SIBO). In this article, we review the different mechanisms by which gut flora and, specifically, SIBO may contribute to IBS and the evidence supporting the use of various antibiotic therapies in treating IBS.


Irritable bowel syndrome Antibiotics Postinfectious irritable bowel syndrome Small intestinal bacterial overgrowth 


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© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.GI Motility LaboratoryCedars-Sinai Medical CenterLos AngelesUSA

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