LactuloseLaxativesCatharticsSenna ExtractConstipationGastrointestinal TransitDefecationDisaccharidesBisacodylGastrointestinal AgentsRhamnosePhenolphthaleinMannitolThymelaeaceaeEncopresisSugar AlcoholsPhenolphthaleinsIntestinal AbsorptionLoperamideHepatic EncephalopathyBreath TestsHydrogenMelanosisFecesCastor OilCassiaPermeabilityColonSenna PlantGastrointestinal MotilityAnthraquinonesRhamnusOxyphenisatin AcetateFecal ImpactionDiarrheaFactitious DisordersPsylliumBacterial TranslocationPolyethylene GlycolsMagnesium SulfateIntestine, SmallMalabsorption SyndromesCarmineDioctyl Sulfosuccinic AcidColonic Diseases