Digestive Diseases and Sciences

, Volume 54, Issue 9, pp 1829–1834

Gastroesophageal Reflux Disease (GERD) and Irritable Bowel Syndrome (IBS)—Is It One Disease or an Overlap of Two Disorders?


DOI: 10.1007/s10620-008-0594-2

Cite this article as:
Gasiorowska, A., Poh, C.H. & Fass, R. Dig Dis Sci (2009) 54: 1829. doi:10.1007/s10620-008-0594-2


Up to 79% of IBS patients report gastroesophageal reflux disease (GERD) symptoms, and up to 71% of GERD patients report irritable bowel syndrome (IBS) symptoms. There are two principal hypotheses for the common presence of IBS symptoms in GERD patients. The first theory suggests that GERD and IBS overlap in a significant number of patients. The second theory suggests that IBS-like symptoms are part of the spectrum of GERD manifestation. The first theory is supported by genetic studies and similarities in gastrointestinal sensory-motor abnormalities potentially due to general gastrointestinal disorder of smooth muscle or sensory afferents. The other theory is primarily supported by studies demonstrating improvement of IBS-like symptoms in GERD patients receiving anti-reflux treatment. The close relationship between GERD and IBS could be explained by either GERD affecting different levels of the GI tract or a high overlap rate between GERD and IBS due to similar underlying GI dysfunction.


Gastroesophageal reflux disease (GERD) Irritable bowel syndrome (IBS) Pathophysiologic mechanism Symptom assessment Visceral hyperalgesia 

Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Anita Gasiorowska
    • 1
  • Choo Hean Poh
    • 1
  • Ronnie Fass
    • 1
  1. 1.Neuroenteric Clinical Research Group, Southern Arizona VA Health Care SystemUniversity of ArizonaTucsonUSA

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