Charak Samhita
कृतानुवासनस्यास्यकृतसंसर्जनस्यच । वर्ततेयद्यतीसारःपिच्छाबस्तिरतःपरम् ॥६३॥
॥ Piccha basti (slimy medicated enema)॥ If diarrhea persists in spite of the administration of anuvasana basti and observing the samsarjana-krama (gradual administration of lighter to heavier food) then piccha basti (mucilaginous type of medicated enema) should be given.
english translation
kRtAnuvAsanasyAsyakRtasaMsarjanasyaca । vartateyadyatIsAraHpicchAbastirataHparam ॥63॥
hk transliteration by Sanscript