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Home > Healthy Living > 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 caused by 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:footnote 1
Having any of the following symptoms supports the diagnosis of IBS.
These criteria are used along with a medical history and physical exam to help your doctor determine whether you have IBS.
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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.
Current as ofMarch 27, 2018
Author: Healthwise StaffMedical Review: E. Gregory Thompson, MD - Internal MedicineAdam Husney, MD - Family Medicine
Current as of:
March 27, 2018
Medical Review:E. Gregory Thompson, MD - Internal Medicine & Adam Husney, MD - Family Medicine
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