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. It can be painful, interfere with sleep and make it hard to concentrate. The condition tends to go through cycles, flaring for a few weeks or months, then ...
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 previous treatment and self-care …
Types of psoriasis (psoriasis pictures) - Mayo Clinic
2023年12月14日 · Plaque psoriasis. Plaque psoriasis, the most common form of psoriasis, causes dry, raised skin patches (plaques) covered with gray or silver scales. It may look different depending on your skin color, ranging from pink on white skin to brown or gray on brown or Black skin. You may have just a few plaques or many.
Types of dermatitis (dermatitis pictures) - Mayo Clinic
2023年12月19日 · Common symptoms of atopic dermatitis are: Dry, cracked skin. Itchiness. Raw skin from scratching. Small, raised bumps, on brown or Black skin. Oozing and crusting. Thickened skin. Atopic dermatitis also is called eczema. It often occurs in the folds of the elbows, behind the knees and on the front of the neck.
Psoriatic arthritis - Symptoms & causes - Mayo Clinic
2021年10月2日 · Psoriatic arthritis is a form of arthritis that affects some people who have psoriasis — a disease that causes red patches of skin topped with silvery scales. Most people develop psoriasis years before being diagnosed with psoriatic arthritis. But for some, the joint problems begin before skin patches appear or at the same time.
Dermatitis - Symptoms and causes - Mayo Clinic
Overview. Dermatitis is a common condition that causes swelling and irritation of the skin. It has many causes and forms and often involves itchy, dry skin or a rash. Or it might cause the skin to blister, ooze, crust or flake. Three common types of this condition are atopic dermatitis, contact dermatitis and seborrheic dermatitis.
Pityriasis rosea - Symptoms & causes - Mayo Clinic
2024年7月12日 · Pityriasis rosea is a rash that often begins as an oval spot on the face, chest, abdomen or back. This is called a herald patch and may be up to 4 inches (10 centimeters) across. Then you may get smaller spots that sweep out from the middle of the body in a shape that looks like drooping pine-tree branches. The rash can be itchy.
Atopic dermatitis (eczema) - Symptoms and causes - Mayo Clinic
2024年5月15日 · Atopic dermatitis (eczema) symptoms can appear anywhere on the body and vary widely from person to person. They may include: Dry, cracked skin. Itchiness (pruritus) Rash on swollen skin that varies in color depending on your skin color. Small, raised bumps, on brown or Black skin. Oozing and crusting.
Itchy skin (pruritus) - Symptoms and causes - Mayo Clinic
2024年10月23日 · Examples include dry skin (xerosis), eczema (dermatitis), psoriasis, scabies, parasites, burns, scars, insect bites and hives. Internal diseases. Itching on the whole body might be a symptom of an underlying illness, such as liver disease, kidney disease, anemia, diabetes, thyroid problems and certain cancers. Nerve disorders.
Contact dermatitis - Symptoms and causes - Mayo Clinic
2024年5月2日 · The rash can develop within minutes to hours of exposure, and it can last 2 to 4 weeks. Signs and symptoms of contact dermatitis vary widely and may include: An itchy rash. Leathery patches that are darker than usual (hyperpigmented), typically on brown or Black skin. Dry, cracked, scaly skin, typically on white skin.