The most common type of skin psoriasis is plaque psoriasis. The skin is red and covered with grey or silver scales and inflamed. also patches of circular to oval shaped red plaques that are itchy or burn. Normally the patches are found on the elbows and knees, but may be found on any part of the skin. Psoriasis can be inherited but is not contagious. The American Institute of Advanced Medicine has more information and treatment to eliminate your psoriasis. theaiam.com