Psoriasis - Symptoms and causes - Mayo Clinic
2024年5月17日 · Psoriasis is a skin disease that causes a rash with itchy, scaly patches, most commonly on the knees, elbows, trunk and scalp. Psoriasis is a common, long-term (chronic) disease with no cure.
Psoriasis - Wikipedia
Psoriasis is a long-lasting, noncontagious autoimmune disease characterized by patches of abnormal skin. [4] [5] These areas are red, pink, or purple, dry, itchy, and scaly.[8] [3] Psoriasis varies in severity from small localized patches to complete body coverage. [3]
Psoriasis: What It Is, Symptoms, Causes, Types & Treatment
Psoriasis is an autoimmune skin condition that causes itchiness and discomfort. Plaque psoriasis is the most common type. It causes thick, scaly areas of skin.
Psoriasis Types, Symptoms & Causes | NIAMS
2024年8月5日 · Psoriasis is a chronic (long-lasting) disease in which the immune system becomes overactive, causing skin cells to multiply too quickly. Patches of skin become scaly and inflamed, most often on the scalp, elbows, or knees, but …
Psoriasis Causes, Triggers, and Treatments: What Is Psoriasis?
2024年1月30日 · Discover the impact of psoriasis on over 7.5 million US adults. From its causes to managing symptoms, learn about the non-contagious immune-mediated disease and how it can affect your life. Request your free guide to understanding psoriasis and psoriatic arthritis today.
Psoriasis | Psoriatic Arthritis - MedlinePlus
2019年2月20日 · Psoriasis is a skin disease that causes itchy or sore patches of thick, red skin with silvery scales. You usually get the patches on your elbows, knees, scalp, back, face, palms and feet, but they can show up on other parts of your body.
Plaque Psoriasis: What It Looks Like, Causes & Treatment
Plaque psoriasis is an autoimmune condition. It causes thick patches (plaques) on your skin, including your scalp. There isn’t a cure, but treatments can alleviate related symptoms.