Study: Axial AS With Psoriasis, Axial Psoriatic Arthritis 2 Distinct Diseases
People with ankylosing spondylitis (AS) and psoriasis — a skin disease causing red, scaly, itchy patches that often occur on the elbows, knees, trunk, and scalp — are more likely than those with psoriatic arthritis (PsA) to have back pain, but less likely to have nail lesions, according to…