Psoriatic arthritis is an autoimmune condition that causes stiffness, swelling, and pain around your joints. Most commonly, people with psoriatic arthritis already have psoriasis. This skin condition ...

Arthritis mutilans is a rare form of psoriatic arthritis. It typically affects your fingers and toes, deforming and curling them in a condition called s, or pencil-in-cup deformity. Read on to learn ...

Psoriasis is a very common condition that affects 2% to 3% of the general population worldwide, with more than 7 million individuals in the United States living with the disease. Approximately 30% of ...

Psoriatic arthritis is a progressive, inflammatory condition that affects your joints and areas of the body where connective tissue meets bone. Because psoriatic arthritis is tied to your immune ...