What Is It?
Psoriatic arthritis is a chronic (long-lasting) disease in which
a person with
develops the symptoms and signs of arthritis -
joint pain, stiffness and swelling. Psoriasis is a common,
inherited skin condition that causes grayish-white scaling over a
pink or dull-red skin rash.
Approximately 5% to 10% of the 3 million people who have
psoriasis develop psoriatic arthritis. Psoriatic arthritis affects
men and women equally and usually begins between ages 30 and 50.