Irritable Bowel Syndrome Diagnostic Criteria (Manning Criteria)

Select Criteria:

Diagnostic : 1 Primary Criteria and 2 Additional Criteria
Primary Criteria
Persistence or recurrence of the following symptoms for at least 3 months time: Abdominal pain / discomfort, relieved with BM or associated with a change in the frequency or consistency of stool
Additional Criteria
A varying / irregular pattern of defecation at least 25% of the time, with two or more of the following:
Altered BM frequency
Altered BM form (hard, loose or watery stool)
Altered stool passage (straining, urgency, or incomplete evacuation sensation)
Mucus in BM
  1. Drossman DA, Funch-Jensen P, Janssens J, et al. Identification of subgroups of functional bowel disorders. Gastroenterol International. 1990;3:15.
  2. Talley NJ, Phillips SF, Melton LJ, et al. Diagnostic value of the Manning criteria in irritable bowel syndrome. Gut. 1990;31:77-81. BMJ Publishing Group, London, England.
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