Abstract
In Ayurveda all the Skin disorders are explained under Kustharogaadhikarand classified as 7 Mahakusthasand 11Kshudrakusthas .Kitibhakustha and Ekakustha are among the KshudraKusthas. Kitibhakusthais characterized by symptoms like Shyavam( blackish brown/ash colour lesions), kina Rauksham (hard and dry in nature), Kharasparsha(rough on touch), ugrakandu(excessive itching) and Ekakustha have symptoms like aswedanam(loss of sweating), mahavastu(covering of large surface areas ), matsyashakalopam(scaly lesions ) with predominance of vata and kaphadoshas in both.Due to similarities in symptoms it can be correlated to Plaque Psoriasis. It is chronic in nature and mainly caused due to autoimmune factor characterized by sharply defined erythematous squamous lesion, reddish scaly patches on the skin. AcharyaCharak has indicated repeated shodhanaand shaman chikitsa for kustha.Inbahyachikitsaapplication of various tailsand lepas are described. Thus the aim of the study is to review and discuss various external applications described in Psoriasis as per Ayurveda.Methodology- The classical texts of Ayurveda and modern medicine, Journals and Research articles were reviewed. Observations and Discussion- In the study following formulations like Dhatrayadhyolepa, Kutajasuryapakitaila, Karanjabeejataila showed significant result in reducing the symptoms of Psoriasis .Conclusion- Psoriasis(kustha)can be managed effectively by Lepachikitsathat is local application of various medicated herbs in form of lepa, and tails.

Key words: Kushtha, Kitibha ,Ekakustha, Lepa, Psoriasis