IRCT20171030037093N2 IRCT 2018-08-15 Shahre-kord University of Medical Sciences Fig syrup effect on the treatment of chronic constipation Comparison of the effects of coadministration of polyethylene glycol and fig syrup for the treatment of chronic functional constipation in children 2017-12-16 anticipated 120 Complete https://irct.ir/trial/33158 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Simple randomization, Blinding description: All types of drugs used with the same label, which are labeled only by the consultant's pharmacist, are available to the researcher. The distribution method is that 3 cards with different colors are placed in front of the patient and the patient chooses one. Each color is one of three models of syrup. The patient information form is also reserved for the physician's secretary, and the physician and researcher are not aware of it. 2-3 chronic functional constipation. Intervention 1: First intervention group:3 times a day, and take 5 ml of fig juice every time. Intervention 2: Second intervention group:1 g per kilogram body weight per day consumes water-soluble polyethylene glycol powder. Intervention 3: Third intervention group:3 times a day, and each time 5 ml of fig juice syrup and 1 g per kilogram body weight per day, they consume water-soluble polyethylene glycol powder. No - There is not a plan to make this available Justification or reason for not sharing IPD is Confidential information is kept.