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) disease with no …

Psoriasis can last for years. Learn more about the types, symptoms, causes, and effective treatment options for psoriasis.

Psoriasis vulgaris (also known as chronic stationary psoriasis or plaque-like psoriasis) is the most common form and affects 85–90% of people with psoriasis. [12]

Psoriasis affects 2–4% of males and females. It can start at any age including childhood, with onset peaks at 15–25 years and 50–60 years. It tends to persist lifelong, fluctuating in extent and severity. …

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 is a chronic autoimmune skin disease where patches of skin become red & scaly. Learn more about the types, symptoms,& possible causes of psoriasis.

Jun 26, 2025 · Psoriasis - Etiology, pathophysiology, symptoms, signs, diagnosis & prognosis from the Merck Manuals - Medical Professional Version.

What is psoriasis? Psoriasis is an autoimmune condition that causes inflammation in your skin. Symptoms of psoriasis include thick areas of discolored skin covered with scales. These thick, scaly …

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 scales.

Mar 24, 2026 · 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 …