Virechana Karma – Medicines, Indications, Procedure & More Abstract In purificatory procedures Acharya Vagbhatta has described five varieties:- Vamana (therapeutic emesis), Virechana (therapeutic purgation), Basti (enema), Nasya (medicine administered through nose), and Raktamokshan (bloodletting). Virechana is a specific treatment for pitta dosha, and pitta samsarga (Combination) doshas. Kapha, that resides in pitta place and stomach, which is the seat of kapha as well as pitta. In the process of virechana the person will not have the same amount of trouble