Movicol in Childhood Constipation (ProMotion Study)

Inclusion Criteria: * patients that, in the opinion of the investigator, are constipated/fecally impacted as to require hospital stay to treat and/or relieve the impaction * children aged 2 - 11 years old inclusive * patients of either sex Exclusion Criteria: Patients with * intestinal perforation or obstruction * severe inflammatory conditions of the intestinal tract * uncontrolled renal/hepatic/cardiac diseases * uncontrolled endocrine disorder(s) * any neuromuscular condition affecting bowel function * hypersensitivity to lactulose or PEG or other constituent of Movicol * patients who have taken any investigational drug in the three months * patients or patients whose parents would in the opinion of the investigator are unable to comply with requirements of the study