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Risk Factors for Psoriatic Arthritis

Research scientists know a number of factors that increase a person's chances of developing psoriatic arthritis. These are known as risk factors. A risk factor is anything that increases a person's chances of developing a disease. Having risk factors does not guarantee that a person will develop psoriatic arthritis; it just increases the chances.
 
Some psoriatic arthritis risk factors include:
 
  • A family history of psoriatic arthritis
  • Certain genetic factors
  • HIV/AIDS
  • Other infections
  • Trauma.
     
(Click Psoriatic Arthritis Causes for more information on these risk factors.)
 

What Are the Symptoms?

Psoriatic arthritis can affect people in different ways. Some people may have symptoms that are mild, with only a few joints affected and no permanent joint damage. Others may have a more serious case of the disease that affects more joints and results in permanent damage.
 
Possible symptoms may include:
 
  • Pain, tenderness, and/or stiffness in the joints
  • Swelling of the fingers and/or toes
  • Pitting, thickened, and discolored toenails or fingernails
  • Low back pain or neck pain
  • Eye pain and redness.
     
Although any joint can be affected by psoriatic arthritis, the joints most often affected are the joints at the ends of the fingertips (known as distal interphalangeal joints). Joint pain and tenderness are less common with psoriatic arthritis compared to other types of arthritis.
 
(Click Psoriatic Arthritis Symptoms for more information on possible symptoms of this condition.)
 
Written by/reviewed by:
Last reviewed by: Arthur Schoenstadt, MD
Last updated/reviewed:
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