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Summary
Psoriasis is a skin disease that causes itchy or sore patches of thick, red skin with silvery scales. You usually get them on your elbows, knees, scalp, back, face, palms and feet, but they can show up on other parts of your body.
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 cure, but medicines can help control inflammation and pain. In rare cases, you might need surgery to repair or replace damaged joints.
Genetics
- Psoriatic arthritis: MedlinePlus Genetics (National Library of Medicine)
Statistics and Research
- Arthritis by the Numbers: Book of Trusted Facts and Figures (Arthritis Foundation) - PDF
Clinical Trials
- ClinicalTrials.gov: Arthritis, Psoriatic (National Institutes of Health)
Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)
- Article: Bimekizumab provided rapid improvements in patient-reported symptoms and health-related quality of...
- Article: Treatment of early oligoarticular psoriatic arthritis with apremilast: primary outcomes at...
- Article: Exploring TNFi drug-levels and anti-drug antibodies during tapering among patients with...
- Psoriatic Arthritis -- see more articles
Find an Expert
- Arthritis Foundation: Local Office Directory (Arthritis Foundation)
- Find a Dermatologist (American Academy of Dermatology)
- Find a Rheumatologist (American College of Rheumatology)
- National Institute of Arthritis and Musculoskeletal and Skin Diseases Also in Spanish
Women
- Psoriasis and Psoriatic Arthritis and Pregnancy (Organization of Teratology Information Specialists)
Patient Handouts
- Psoriatic arthritis (Medical Encyclopedia) Also in Spanish