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How does guttate psoriasis affect the body?

Doctors believe guttate psoriasis is caused by the body mistaking healthy skin cells for foreign cells. In an attempt to heal what it thinks is an infection or wound, the blood vessels in the affected area dilate and an increased number of white blood cells are sent to the outer layer of the skin resulting in an inflammatory skin reaction. The skin cells in the affected area build up faster than they can slough off forming reddish or pink, skin lesions in the shape of a teardrop. The lesions are most commonly found on the arms, legs, or trunk of the body and may be covered with flaky, silver-colored skin. Guttate psoriasis can clear up after treatment, but in some cases it becomes chronic (lifelong) or changes into the more common plaque psoriasis.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.