![]() ![]() Inflammation caused by psoriasis can impact other organs and tissues in the body. Plaques and scales may appear on any part of the body, although they are commonly found on the elbows, knees, and scalp. ![]() Some people report that psoriasis plaques itch, burn and sting. Instead of shedding, the skin cells pile up on the surface of the skin. With psoriasis, skin cells do this in only three or four days. Normal skin cells completely grow and shed (fall off) in a month. This occurs because the overactive immune system speeds up skin cell growth. There may be visible signs of the inflammation such as raised plaques (plaques may look different for different skin types) and scales on the skin. Psoriasis is an immune-mediated disease* (a disease with an unclear cause that is characterized by inflammation caused by dysfunction of the immune system) that causes inflammation in the body. ![]()
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