Psoriatic Arthritis of the Knees
Psoriatic Arthritis of the Knees: Symptoms, Causes, and Treatment Psoriatic arthritis is a chronic autoimmune disease that causes inflammation in the joints and skin. It is a type of arthritis that affects people who have psoriasis, a skin condition that causes red, scaly patches on the skin. Psoriatic arthritis can affect any joint in the…