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Psoriasis
Psoriasis 101: Causes, Appearance & More
<p>If you have red, raised patches of skin covered in silvery scales, you may have psoriasis—an immune-related skin condition with a genetic component that causes rapid overgrowth of skin cells. The primary sign of psoriasis is visible inflammation. Symptoms may also cause itching and discomfort in affected areas, which can include the elbows, knees, scalp and more.</p>