What is Psoriatic Arthritis?
Psoriatic arthritis is a condition that causes pain and swelling in joints, scaly patches on the skin and problems with fingernails and toenails. Psoriatic arthritis is related to psoriasis, a chronic (long-lasting) skin condition. Not everyone who has psoriasis develops psoriatic arthritis.
Psoriasis is a condition noted for its scaly, itchy skin rash. This rash most commonly appears on the elbows, knees and scalp.
Psoriatic arthritis affects both men and women. It usually develops between the ages of 20 and 50.