(Arthritis, Psoriatic; PsA)
by Rebecca J. Stahl, MA
Psoriatic arthritis is a long-term condition that causes pain and swelling in the joints. Over time, it can cause be damaging to the joints and cause disability. It is associated with a skin condition called psoriasis, but not everyone that has psoriasis will develop psoriatic arthritis.
Psoriatic arthritis is an autoimmune disease, which means the body attacks its own healthy tissue.
The exact cause of psoriatic arthritis is not known. It may be due to a combination of genetics and environmental triggers.
Factors that increase your chance of psoriatic arthritis includes having:
Psoriatic arthritis usually develops in people who already have psoriasis. Symptoms that may indicate the development of psoriatic arthritis include:
You will be asked about your symptoms and medical history, especially information about your psoriasis. A physical exam will be done. Your doctor will rule out similar conditions with the physical exam.
To look for signs of an inflammation and cause of joint problem your doctor may order:
Imaging tests may also be done to look for damage to the joint. Images may include:
In addition to treating your psoriasis, your doctor will also create a treatment plan that focuses on your arthritis symptoms. You will probably be referred to a rheumatologist.
Depending on the severity of your symptoms, your doctor may recommend:
You may be referred to a physical or occupational therapist. These therapists can help you to improve your range of motion and your ability to do everyday activities.
Proper weight management is associated with improved symptoms. Talk to a dietitian who can help you lose excess weight and keep it off.
Working with a mental health therapist may also be helpful for your overall well-being. You can learn ways to better cope with your chronic condition.
If you have severe pain and disability, your doctor may advise:
There are no current guidelines to prevent psoriatic arthritis because the cause is not known.
National Psoriasis Foundation
The Arthritis Society
Canadian Rheumatology Association
Psoriatic arthritis. Arthritis Foundation website. Available at:
...(Click grey area to select URL)
Accessed December 18, 2017.
Psoriatic arthritis. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T113795/Psoriatic-arthritis . Updated April 11, 2016. Accessed December 18, 2017.
Psoriatic arthritis. National Psoriasis Foundation website. Available at: https://www.psoriasis.org/psoriatic-arthritis. Accessed December 18, 2017.
Last reviewed November 2018 by EBSCO Medical Review Board Michael Woods, MD, FAAP
Last Updated: 12/20/2014
EBSCO Information Services is fully accredited by URAC. URAC is an independent, nonprofit health care accrediting organization dedicated to promoting health care quality through accreditation, certification and commendation.
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
To send comments or feedback to our Editorial Team regarding the content please email us at email@example.com. Our Health Library Support team will respond to your email request within 2 business days.