The condition is known eczema, a form of dermatitis. Dermatitis is basically inflammation of the skin. It has many types and occurs in many forms. Applying corticosteroid creams and those which affect the immune system helps in controlling eczema. Exposure to sunlight helps the condition to get better. Also, frequent wet dressings and anti-histamines helps reduce the intensity of itching. Take short warm showers and use only mild soap to clean the affected area.