Psoriasis: Overview

Psoriasis is a chronic skin disorder causing dry patchy skin rashes. The skin rashes may appear as dry, scaly, silvery plaques. The skin areas most often attacked include the knees, elbows, scalp, trunk and buttocks, but other areas may be affected. Symptoms usually occur in recurring attacks, clearing up between bouts. The main complication is a form of arthritis, called psoriatic arthritis, which is similar to rheumatoid arthritis. Treatment may involve topical skin creams and corticosteroid applications, with other medication needed in severe cases.

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