Does inflammation have a role in the pathophysiology of irritable bowel syndrome (IBS)?

Updated: Dec 11, 2019
  • Author: Jenifer K Lehrer, MD; Chief Editor: BS Anand, MD  more...
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Microscopic inflammation has been documented in some patients. [1] This concept is groundbreaking in that irritable bowel syndrome had previously been considered to have no demonstrable pathologic alterations.

Both colonic inflammation and small bowel inflammation have been discovered in a subset of patients with irritable bowel syndrome, as well as in patients with the onset of irritable bowel syndrome after infectious enteritis (postinfectious irritable bowel syndrome).

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