In today’s fast track life style, people are shifting more toward mechanistic world and are adopting unhealthy dietary and lifestyle choices, which have resulted in increasing trend of lifestyle diseases. Psoriasis is one amongst these notorious auto-immune disorders having deep psychological and social impacts. It is a chronic inflammatory disease with skin manifestations, aggravated by or can recur by number of triggering factors such as psychological (anxiety, stress, depression etc.), dietary (incompatible diet), lifestyle disturbances, medications .

Psoriasis word derived from word ‘Psora’ which means ‘itch’ or ‘Rash’.

Psoriasis is non-infectious chronic inflammatory disease of the skin characterized by well-defined erythematous plaque with silvery scale which have predilection for extensor surfaces and scalp and by chronic fluctuating course.

Kushtha (skin disorders) has been considered among Ashtamahagada  (octa- ominous disorders) in Ayurveda. Eka Kushtha is one of the subtypes of Kushtha, which is equated with Psoriasis as they show similar manifestations such as Aswedanam (anhydrosis), Mahavastu (extent of lesion), Matsyashakalopamam (scaling).

According to many acharyas in kushta vyadhi all the three dosas involvement have been seen.

The Lakshanas of Eka Kushtha are Aswedanam ,Mahavastu (extent of lession), Mastyashakalopam ( Scaling).

                                    In india the Prevalence of Psoriasis varies From 0.44 To 2.8 %. It is  twice  more common in males compare to female and most of the patients are in there third or forth decade.

In ayurveda, many herbs have proven efficacy in psoriasis but the multifaceted etiology of disease need multimodal treatment approach.

The prevalence rate of psoriasis increasing day by day despite having such as high prevalence rate the treatment of psoriasis is still limited so the study is conducted.

In kushta, there is involvement of tridoshas and Amrutanagaradi Kashaya mentioned in Sahastrayog have great action on all tridoshas and it produces deeper action on Eka kushta .Therefore study is undertaken to evaluate the efficacy of Amrutanagaradi kwatha on Eka kushtha.