Virechana is medicated purgation therapy for the purification of the blood toxins from the body that are accumulated in the liver and gallbladder; it completely cleanses the gastro-intestinal tract. It is administered three days after the Vamana treatment. Virechan cleanses the sweat glands, small intestine, colon, kidneys, stomach, liver and spleen. A number of effective and safe herbs can be used as a laxative.