Table 2 Rome III diagnostic criteria for chronic constipation

1-MUST INCLUDE TWO OR MORE OF THE FOLLOWING:

 a. Straining during at least 25 % of defecations

 b. Lumpy or hard stools in at least 25 % of defecations

 c. Sensation of incomplete evacuation for at least 25 % of defecations

 d. Sensation of anorectal obstruction/blockage for at least 25 % of defecations

 e. Manual maneuvers to facilitate at least 25 % of defecations (e.g., digital evacuation, support of the pelvic floor)

 f. Fewer than three defecations per week

2-LOOSE STOOLS ARE RARELY PRESENT WITHOUT THE USE OF LAXATIVES

3-INSUFFICIENT CRITERIA FOR IRRITABLE BOWEL SYNDROME