EnemaTeaBarium SulfateAdministration, RectalMesalamineDiverticulum, ColonSigmoidoscopyCamellia sinensisPhosphorothioate OligonucleotidesCatechinColitis, UlcerativeColonoscopyRectumProctocolitisColonic DiseasesIntussusceptionTea Tree OilAppendixProctitisAminosalicylic AcidsPolyphenolsFecal ImpactionColonIleal Diseases