Psoriasis is a skin disease that develops when your immune system tells your skin cells to grow too quickly. Typically, new skin cells form over several weeks. In psoriasis, the skin cells form in days, leading to a buildup of cells on the skin.
Guttate psoriasis: it often appears after a sore throat and frequently clears up by itself in weeks or a few months.
Ultraviolet B light
Guttate psoriasis: it often appears after a sore throat and frequently clears up by itself in weeks or a few months.
Ultraviolet B light
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