Infants and toddlers up to 4 years old |
At least 2 of the following present for at least 1 month: |
2 or fewer defecations per week |
History of excessive stool retention |
History of painful or hard bowel movements |
History of large-diameter stools |
Presence of a large fecal mass in the rectum |
In toilet-trained children, the following additional criteria may be used: |
At least 1 episode/week of incontinence after the acquisition of toileting skills |
History of large-diameter stools that may obstruct the toilet |