The Compendium of Caraka 7.1.14_3

7.1.14_3

sudhevottamanāgānāṃ bhaiṣajyamidamastu te//' ityevamabhimantryodaṅmukhaṃ prāṅmukhaṃ vā++āturaṃ pāyayecchleṣmajvaragulmapratiśyāyārtaṃ viśeṣeṇa punaḥ punarāpittāgamanāt, tena sādhu vamati; hīnavegaṃ tu pippalyāmalaka-sarṣapa-vacākalkalavaṇoṣṇodakaiḥ punaḥ punaḥ pravartayedāpittadarśanāt/

as nectar is to the supreme serpents, so let this medicine be to you!' Having consecrated it thus, one should have the patient who faces north or east drink it—especially one afflicted with kapha-fever, gulma, or coryza—again and again until pitta appears, by which means he vomits properly. But if the urge is weak, one should repeatedly promote it with pippalī, āmalaka, mustard, and vacā paste with salted warm water until the sighting of pitta.