IRCT20190614043891N1 IRCT 2019-12-04 Ahvaz University of Medical Sciences Effect of viseral manipulation in constipation Effect of visceral manipulation on children with chronic functional constipation 2019-12-22 anticipated 20 Complete https://irct.ir/trial/40434 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: In this study, block randomization will be used to assimilate the number of samples in control and treatment groups. This randomization is performed among patients with functional constipation referred to Abu Dhar Hospital. The blocks consist of 6 blocks of 4 that 5 blocks will select between the 6 possible modes of the blocks . In these blocks, the letter A is assigned to the control group and the letter B to the treatment group.Depending on the order of the letters A and B at the time of referral, the patient falls into the control or treatment group, Blinding description: In this study, the person evaluating outcomes is unaware of the type of grouping and treatments applied to each group. Also, the data analyzer is not aware of the relationship between the data and the type of group and merely compiles statistical analyzes on data collection. N/A Constipation. Intervention 1: Intervention group: In the intervention group, in addition to the standard medical treatments that are given in both groups, visceral manipulation techniques are applied for four weeks and two weeks each week for these patients. Intervention 2: Control group: Interventions in this group are standard medical treatments. These treatments include the use of medicines prescribed by the pediatric gastroenterologist, parents and children's education about the symptoms of the disease, nutritional counseling (the effect of fluid and fiber intake), and behavioral training. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is No more information