Child

Age group (developmental age)

Symptoms present for at least 1 month

Criteria up to 4 years

≤ 2 bowel movements per week

History of excessive stool retention

History of painful or hard stools

History of large-caliber stools

Large fecal mass palpable in the rectum

Child is toilet trained

≥ 1 episode of fecal incontinence per week after toilet training has been acquired

History of large-caliber stools that may clog the toilet

Criteria from 4 years (each ≥ 1 times per week)

≤ 2 toilet bowel movements per week

≥ 1 episode of fecal incontinence per week

History of retentive posturing or excessive volitional stool retention

History of painful or hard stools

Large fecal mass palpable in the rectum

History of large-caliber stools that may clog the toilet

Criteria for irritable bowel syndrome not sufficiently met

Not fully explained by another condition after appropriate work-up

Calculation aid for healthcare professionals: the calculator reproduces what the sources cited assign to the inputs. Clinical assessment and every treatment decision remain with the treating physician. Inputs and results are not stored.