The skin is the largest organ in the body, completely covering the outer surface of the body. The skin, which is in constant contact with the external environment; It interacts with allergens, physical factors, climatic conditions, microbial agents and many other environmental factors. This makes the skin prone to many diseases. Skin diseases are among the most common health problems in our country and in the world. Diagnosis, treatment and follow-up of skin diseases, which have many different types according to the region and cause of occurrence, are carried out by the dermatology (skin) units of the hospitals.