👉 Arthritis pimples, also known as psoriatic arthritis rashes or psoriatic lesions, are skin manifestations associated with the autoimmune condition psoriatic arthritis. These lesions typically appear as red, scaly, and sometimes painful patches on the skin, most commonly on the elbows, knees, scalp, and lower back. They can vary in size and severity, often resembling seborrheic keratoses but with a more inflamed appearance. The exact cause is not fully understood, but it is believed to result from an overactive immune response, leading to inflammation and abnormal skin cell growth. These rashes are a hallmark of psoriatic arthritis and can significantly impact quality of life, often coexisting with joint pain and stiffness.
