
Psoriasis - Symptoms and causes - Mayo Clinic
Dec 17, 2025 · 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) …
Psoriasis: Types, Causes, Symptoms, & Treatment - WebMD
Psoriasis can last for years. Learn more about the types, symptoms, causes, and effective treatment options for psoriasis.
Psoriasis: Causes, Triggers, Treatment, and More - Healthline
Jul 11, 2025 · Psoriasis is a chronic skin condition that can cause red, scaly patches of skin to appear. Learn more about what it is, why it appears, and how it’s treated.
Psoriasis: Symptoms, Treatment, Images and More - DermNet
What is psoriasis? Psoriasis is a chronic inflammatory skin condition characterised by clearly defined, red and scaly plaques. It is classified into several types. Who gets psoriasis? …
Psoriasis Symptoms, Causes, & Risk Factors | NIAMS
Psoriasis is a chronic autoimmune skin disease where patches of skin become red & scaly. Learn more about the types, symptoms,& possible causes of psoriasis.
Psoriasis - Penn Medicine
Aug 5, 2024 · Psoriasis is a skin condition that causes skin redness, silvery scales, and irritation. Most people with psoriasis have thick, red, well-defined patches of skin with flaky, silver-white …