Functional Constipation

Rome III Diagnostic Criteria for Functional Constipation

Must include two or more of the following:

  1. Straining during more than ¼ (25%) of defecations.
  2. Lumpy or hard stools (Bristol Stool Form Scale 1-2) more than ¼ (25%) of defecations.
  3. Sensation of incomplete evacuation more than ¼ (25%) of defecations.
  4. Sensation of anorectal obstruction/blockage more than ¼ (25%) of defecations.
  5. Manual maneuvers to facilitate more than ¼ (25%) of defecations (e.g., digital evacuation, support of the pelvic floor).
  6. Fewer than three SBM per week.

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Functional Constipation