In the case of registration of intolerance or lack of efficacy of lactulose (the patient still meets the criteria Roman) in the second group it will be proposed to the patient treatment with Dicopeg Junior in accordance with the dosage in the first group to complete the 12 week study. Then the patient will be asked to come to the medical cenetr the next day, ie. in a 29 day study after receiving the preparation Lactulose.