The skin and skin disorders are beautifully described in Ayurvedic literatures.Scholars have described all the skin diseases under the umbrella of 'Kushtha', further classifying them to 'Mahakushtha' and 'kshudra kushtha'. Psoriasis is the oldest recorded skin disease. The disease ranks with Acne vulgaris, Viral warts and eczema as one of the commonest skin. It is a common, chronic, genetically determined, inflammatory and proliferative skin disease. Although not fatal, but is cosmetically unacceptable and cause a lot of mental agony and stress to the patient. Leech therepy is a purificatory...