Psoriasis - Symptoms and causes - Mayo Clinic
2024年5月17日 · Psoriasis is thought to be an immune system problem that causes skin cells to grow faster than usual. In the most common type of psoriasis, known as plaque psoriasis, this rapid turnover of cells results in dry, scaly patches. The cause of psoriasis isn't fully understood. It's thought to be an immune system problem where infection-fighting ...
Psoriasis: Types, Causes, Symptoms, & Treatment - WebMD
Psoriasis Types. Types of psoriasis include: Plaque.This is the most common type. It causes itchy, dry, and raised skin patches. Nail. When the nails on your hands or feet are affected, they ...
Psoriasis: What It Is, Symptoms, Causes, Types & Treatment
2022年9月15日 · Psoriasis and eczema are two different skin conditions. Both conditions cause similar symptoms like discolored skin, a rash and itching. Psoriasis plaques cause areas of thick skin covered in scales. Eczema causes a rash of dry and bumpy skin. Eczema also typically causes more intense itching than psoriasis.
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]Injury to the skin can trigger psoriatic skin changes at that spot, which is known as the Koebner phenomenon.
Psoriasis - Diagnosis and treatment - Mayo Clinic
2024年5月17日 · Psoriasis treatments aim to stop skin cells from growing so quickly and to remove scales. Options include creams and ointments (topical therapy), light therapy (phototherapy), and oral or injected medications. Which treatments you use depends on how severe the psoriasis is and how responsive it has been to …
Psoriasis Basics: Overview, Symptoms, and Causes
Psoriasis is a chronic (long-lasting) disease in which the immune system works too much, causing patches of skin to become scaly and inflamed. Most often, psoriasis affects the: Scalp. Elbows. Knees. The symptoms of psoriasis can sometimes go through cycles, flaring for a few weeks or months followed by times when they subside (or go into ...
Psoriasis Types, Symptoms & Causes | NIAMS
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 other parts of the body can be affected as well.
Psoriasis Causes, Triggers, and Treatments: What Is Psoriasis?
2024年1月30日 · Psoriasis is an immune-mediated disease (a disease with an unclear cause that is characterized by inflammation caused by dysfunction of the immune system) that causes inflammation in the body. [1] There may be visible signs of inflammation such as raised plaques (plaques may look different for different skin types) and scales on the skin.
Psoriasis: Overview - American Academy of Dermatology
Psoriasis (suh-rye-ah-sis) is a condition that causes the body to make new skin cells in days rather than weeks. As these cells pile up on the surface of the skin, you may see thick, scaly patches. Plaque psoriasis is the most common type of psoriasis.
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 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.