What Are the Symptoms of Psoriatic Arthritis?

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Psoriatic arthritis is a skin condition that affects about 30% of people who have psoriasis, according to the National Psoriasis Foundation. If you have this condition or know someone who does, learning more about psoriatic arthritis can help you better understand what to expect while living with this disorder. Start by researching what psoriatic arthritis is, what causes it and what symptoms typically show up with this condition.