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Home > Wellness Resources > Health Library > Irritable Bowel Syndrome: Criteria for Diagnosis
Experts on digestive diseases developed these criteria,
known as the Rome III criteria, to help doctors determine whether symptoms are
irritable bowel syndrome (IBS). You meet the Rome III
criteria for IBS if your symptoms began at least 6 months ago, you have had
abdominal (belly) pain or discomfort at least 3 days each month in the last 3 months,
and at least two of the following statements are true:1
Having any of the following symptoms supports the diagnosis
These criteria are used along with a medical history and
physical exam to help your doctor determine whether you have IBS.
Longstreth GF, et al. (2006). Irritable bowel syndrome
section of Functional bowel disorders. In DA Drossman et al., eds.,
Rome III: The Functional Gastrointestinal Disorders, 3rd
ed., pp. 490–509. McLean, VA: Degnon Associates.
April 26, 2012
E. Gregory Thompson, MD - Internal Medicine & Arvydas D. Vanagunas, MD - Gastroenterology
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