The Compendium of Caraka 6.7.39

6.7.39

vātottareṣu sarpirvamanaṃ śleṣmottareṣu kuṣṭheṣu/
pittottareṣu mokṣo raktasya virecanaṃ cāgre//

In kuṣṭhas dominated by vāta, ghee is [indicated]; emesis in those dominated by kapha; / and in those dominated by pitta, blood-letting and purgation are foremost.