Wikipedia
Virechana
Virechana is also known as medical purgation. It is one of the Panchakarmas. Its clinical trials have been carried out for bronchial asthma, psoriasis, diabetes. But no conclusive evidence has been found out that it works. According to Ayurvedic claims, Virechana is the best line of management for skin disorders
See Also: Panchakarma, Ayurveda