Vasti (administration of medicine through rectum) is another sodhana/purification treatment. Vasti is the treatment where herbal medicines like medicated oils/ decoctions/ medicated milk / ghee is administered through rectum using an instrument called Vasthiyantra. Vasti is of three types - Kashayavasti, Snehavasti and Uttaravasti. Among these Kashayavasti and Snehavasti are most commonly practiced. In Kashayavasti the treatment is done with a combination of honey, rocksalt, oil, herbal paste and decoction In Snehavasti-medicated oil and ghee is administered through rectum. In Uttaravasti, vasti is given through urethral or vaginal tract. A course of both Kashayavasti and Snehavasti. Kashayavasti is Sodhana - it purifies the body by expelling the impure doshas from the body where as Snehavasti is Brimhana - it nourishes and lubricates the body. These two treatments are always used in combination, thus producing a balance of purification and nourishment in the body. In the usual procedure Snehavasti is given first to lubricate the body. This followed by Kashaya to purify the body.