Charak Samhita
श्यामाबिल्वादिसिद्धैश्च निरूहैः सानुवासनैः। निर्हरेद्विधिना सम्यगुदावर्तहरेण च॥३७॥
niruha basti prepared with shyama, bilva etc. followed by anuvasana should be given appropriately. udavarta (reverse movement of vata) treatment principles should be followed.
english translation
zyAmAbilvAdisiddhaizca nirUhaiH sAnuvAsanaiH। nirharedvidhinA samyagudAvartahareNa ca॥37॥
hk transliteration by Sanscript