Ten to 30 percent of individuals with psoriasis develop arthritis or joint inflammation, usually appearing at 40-50 years of age. Two percent of Caucasians in the United States suffer from psoriasis and arthritic symptoms.
This is a chronic condition involving both joint and skin inflammation. While the cause is unknown, it is believed to be a combination of environment, immunity, and genetic factors. In half of the cases, gene marker HLA-B27 and decreased T cells (needed for immunity) are found.
Symptoms associated with psoriasis include:
Symptoms of psoriatic arthritis include:
Conditions associated with psoriatic arthritis include:
Psoriatic arthritis can be categorized into 5 types:
Written by Barbara Hales, M.D.Show All
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