Types of Psoriasis (cont.)
IN THIS ARTICLE
Picture of severe psoriatic arthritis involving the finger joints.
Psoriatic arthritis, like psoriasis, is an autoimmune disease, meaning that the immune cells damage one's own tissues. Rarely, a person can have psoriatic arthritis without having skin psoriasis. Usually, the more severe the skin symptoms are, the greater the likelihood a person will have psoriatic arthritis.
Picture of psoriatic arthritis. Severe deformity of the joints at the ends of the fingers.
Psoriatic arthritis affects 10%-30% of people with psoriasis. A recent survey by the National Psoriasis Foundation indicated that approximately 1 million people in the United States have psoriatic arthritis. Often people who have psoriasis are unaware that they have psoriatic arthritis.
Systemic Disease in Psoriasis
It is important to recognize that patients with psoriasis are predisposed to a number of systemic conditions that can adversely impact their general health, including obesity, diabetes, and cardiovascular disease. It seems that the inflammatory process is not limited to the skin. These diverse problems are sometimes lumped together as "metabolic syndrome." It is often prudent for all psoriasis patients to be closely followed by their primary-care doctors as well as their skin specialist.
Medically Reviewed by a Doctor on 11/20/2017
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