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Table 152-1

Rome IV Diagnostic Criteria for Irritable Bowel Syndromea

Recurrent abdominal pain, on average, at least 1 day per week in the last 3 months, associated with ≥2 of the following criteria:

  1. Related to defecation
  2. Associated with a change in frequency of stool
  3. Associated with a change in form (appearance) of stool

aCriteria fulfilled for the last 3 months with symptom onset at least 6 months prior to diagnosis.