Clinical trial of certain ayurvedic medicines indicated in vitiligo.

An Ayurvedic preparation consisting of dried ginger, black pepper, pippali and leadwort root fermented in cow's urine was given internally and a paste made of several meical herbs including Psoralea corylifolia for external application was tried in patients with vitiligo. 4 out of 10 patients had relief within six months of treatment. Three patients had relief with adverse reaction on the skin and other did not respond. The preparations did not have any adverse effect in the body as seen from haematological parameters and biochemical tests.