How is psoriatic arthritis?

• PsA in the presence of PsO • Member of the seronegative spondyloarthropathies • About 30% of PsO • Can occur at any age, but most commonly appears between the ages of 30 and 50 years • Symptoms can range from mild to severe • Severity of skin disease and arthritis may not correlate • Dactylitis and enthesitis • Flare and remissions