Ashtangasamgraha 27.2

27.2

doṣaharaṇamūrdhvabhāgaṃ vamanākhyamadhobhāgaṃ virecanākhyamubhayaṃ vā malavirecanādvirecanamityucyate ||

utsvedādhipurovātabāṣpanigraharodanaiḥ ||

The elimination of doṣas in the upward direction is called emesis, in the downward direction it is called purgation; or both are termed purgation because of the purging of waste products.
By sweating, head-disease, facing the wind, suppressing tears, and weeping;