The human skin is the outer covering of the body. It is the largest vital organ that farming protective barrier against pathogens and injuries from the environment. It is about 2 mm thick and with a total area of the body of about 20 square feet. The skin helps to regulate the body temperature and maintain water and electrolyte balance. Skin disease is the major cause of disability worldwide, 10-20% of general practice includes the patient suffering from skin diseases.
In Ayurveda the sparshnendriya has adhisthanm twaka. Acharya sushruta gives details about layers of skin. The word kustha is a term that covers all skin diseases. Kustha is further classified in
- Mahakustha and 2) Kshudra kustha.
Vicharchika diseases are explained under kshudra kustha. The clinical presentation of vicharchika closely mimics with special variety of skin diseases called Eczema. It is a condition in which patches of skin become inflamed, itchy, cracked, and rough.
Vicharchika is kaphapradhan vyadhi. Due to vitiated dosha symptoms of vicharchika are Shyava (Blackish discoloration ), Kandu (Itching), Pidaka (Eruption), Ruja (Pain), Bahustrava (Discharge), Rajyo (marked lining due thickness of lesion), Rukshta ( dryness). There are many antibiotics, steroids, antihistamines, etc. Drugs are used to manage skin disease but chronic skin conditions typically are not curable. Skin disorder remains refractory to treatment. In Ayurveda, there is various drug formulation mentioned in Samhita like Mahatiktak ghrut and Arkadi tail which show a significant effect on vicharchika.