Psoriatic arthritis is a form of arthritis that affects some people who have psoriasis.

Joint pain, stiffness and swelling are the main symptoms of psoriatic arthritis. They can affect any part of your body, including your fingertips and spine, and can range from relatively mild to severe. In both psoriasis and psoriatic arthritis, disease flares may alternate with periods of remission.

No cure for psoriatic arthritis exists, so the focus is on controlling symptoms and preventing damage to your joints. Without treatment, psoriatic arthritis may be disabling.

Psoriatic Arthritis (Wikipedia)
Psoriatic arthritis
Psoriatic arthritis2010.JPG
Severe psoriatic arthritis of both feet and ankles. Note the changes to the nails.
Classification and external resources
Specialty Rheumatology
ICD-10 L40.5, M07
ICD-9-CM 696.0
MedlinePlus 000413
eMedicine radio/578
Patient UK Psoriatic arthritis
MeSH D015535

Psoriatic arthritis (also arthritis psoriatica, arthropathic psoriasis or psoriatic arthropathy) is a type of inflammatory arthritis that will develop in between 6 and 42% of people who have the chronic skin condition psoriasis. Psoriatic arthritis is classified as a seronegative spondyloarthropathy and therefore occurs more commonly in patients with tissue type HLA-B27.

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