Psoriatic arthritis (PsA) is a form of inflammatory arthritis. It affects about 1.5 million people in the U.S., or 30% of people who have psoriasis. Psoriasis is a skin disease that causes a red ...

Psoriatic arthritis is a long-term inflammatory arthritis. It causes symptoms such as pain, stiffness, redness, and swelling in your joints and where your tendons and ligaments attach to your bones.

Psoriatic arthritis is a "chronic inflammatory disease that occurs when your immune system mistakenly starts attacking healthy joints and skin," says Jennifer Gurske-dePerio, MD, a clinical ...

It might not be psoriatic arthritis–lots of people develop osteoarthritis, as they age–but it could be, and that could warrant a particular treatment. How Do You Treat Psoriasis?

Psoriatic arthritis is a type of inflammatory arthritis that develops in some individuals with psoriasis. It affects the joints and connective tissues, leading to symptoms such as joint pain ...

Psoriasis can occur in men and women and in people of all races. There are several types of psoriasis, but the most common type—which affects 80 to 90 percent of psoriasis patients—is called ...

A psoriatic arthritis rash can form anywhere on the body, but Dr. Cohen says they’re most common in places like the scalp, ears, elbows and knees. RUTH JENKINSON/Getty.

Psoriasis is an immune-mediated disease, which means it results from abnormal immune-cell activity. In this case, the immune system is overactive and causes skin cells to be replaced more quickly ...

X-rays at an early stage of psoriatic arthritis are often normal, so this is where ultrasound — in the case of peripheral joints like fingers, toes, knees, etc. — is really important.

Plaque psoriasis causes inflamed patches on your skin, which may become itchy or cracked. Treatment can help reduce symptoms and appearance.