Cakradatta (Cikitsasangraha) 70.22

70.22

uṣṇāmbu svedayeccāsya pāṇitāpena codaram .
utthāne'lpe dine tasminbhuktvānyedyuḥ punaḥ pibet .. 22 ..

And one should foment his abdomen with warm water and with the heat of the hands. / When there has been little evacuation, having eaten on that day, he should drink again on the next day. (22)