The Virechana is the process by which increased doshas situated in the intestines or Pakyashayas are eliminated from the body through the anus. This is the main treatment that is recommended in Sharad Ritu as pitta is naturally increased in this season. However this treatment can be performed in any season depending on the severity of the diseases.

Virechana can be performed in the diseases like Arsha (piles), Visphota (boils), Kamala (jaundice), Udara (ascites), Udarashula (pain in abdomen), Yoni dosha (gynecological disorders), Krumi (Helmenthesis), Vatarakta (gout), Malavarodha (constipation) etc. Virechana is never prescribed to persons who have fever, lack of appetite or in weak, feeble individuals.