EnemaLaxativesCatharticsSenna ExtractConstipationBarium SulfateBisacodylDefecationPhenolphthaleinThymelaeaceaeAdministration, RectalGastrointestinal TransitPhenolphthaleinsFecal ImpactionMelanosisLoperamideCastor OilCassiaColonic DiseasesDioctyl Sulfosuccinic AcidEncopresisSenna PlantAnthraquinonesColonoscopyMegacolonMesalamineRectumRhamnusDiverticulum, ColonSigmoidoscopyOxyphenisatin AcetatePhosphorothioate OligonucleotidesFactitious DisordersPsylliumGastrointestinal AgentsLactuloseColonGastrointestinal MotilityColitis, UlcerativePicolinesCarmineTherapeutic IrrigationProctocolitisLiriope PlantViolaIntussusceptionToilet TrainingColon, TransverseRicinoleic AcidsPlantagoBiofeedback, PsychologyAppendixProctitisWater-Electrolyte ImbalancePolyethylene GlycolsMagnesium SulfateMagnesium OxideAminosalicylic AcidsDiarrheaProctoscopy