Psoriatic Arthritis Overview. Psoriatic arthritis symptoms include inflammation, causing pain and stiffness in the joints, and psoriasis, an itchy, painful skin condition. Managing psoriatic arthritis can seem like treating two diseases. Since many people with PsA have psoriasis, they may see a primary care doctor, a dermatologist and a rheumatologist. Some treatments work on both diseases. Others work mainly or only on skin problems or arthritis. All medications have benefits and risks. Treating Psoriasis The over-the-counter (OTC) and prescription treatments. Psoriatic arthritis (PsA) is a form of arthritis that may result in swelling, stiffness, and pain in and around the joints. PsA may also cause nail changes and fatigue. Early diagnosis and treatment can prevent lasting joint damage. Some people with psoriasis have psoriatic arthritis. It causes pain, stiffness, and swelling of the joints. It is often mild, but can sometimes be serious and affect many joints. The joint and skin problems don't always happen at the same time. Your doctor will do a physical exam and imaging tests to diagnose psoriatic arthritis. There is no. Psoriatic Arthritis (PA) is also known as Psoriatic Arthropathy or Psoriasis Arthritis and is a form of Arthritis that is also accompanied by Psoriasis (inflammation of the skin), particularly around the arthritic joint being affected. It most commonly affects the hands and the feet. Psoriasis is a skin condition similar to eczema with dry scaly itchy skin patches that never seem to heal. Psoriatic arthritis (sorry-attik arth-ry-tus) can cause pain, swelling and stiffness in and around your joints. It usually affects people who already have the skin condition psoriasis (sur-ry-a-sis). This causes patches of red, raised skin, with white and silvery flakes. Sometimes people have arthritis symptoms before the psoriasis. In rare cases, people have psoriatic arthritis and never have. Psoriatic arthritis is a chronic, inflammatory disease of the joints and the places where tendons and ligaments connect to bone. The immune system creates inflammation that can lead to swelling, pain, fatigue and stiffness in the joints. PsA can start at any age, but often appears between ages 30 and 50. For most people, it starts about 10 years after psoriasis begins. While it is less common.