2023年4月3日 · Find information on diagnosis, treatment, and prevention for skin conditions caused by allergies, irritants, genetic makeup, certain diseases, immune system problems and more.

Atopic dermatitis, often referred to as eczema, is a chronic (long-lasting) disease that causes inflammation, redness, and irritation of the skin. It is a common condition that usually begins in childhood; however, anyone can get the disease at any age. Atopic dermatitis is not contagious, so it cannot be spread from person to person.

Thickening and hardening of the skin. The rash can appear anywhere on the body. The symptoms can flare in multiple spots at the same time. People with atopic dermatitis often have other conditions, such as: Asthma and allergies, including food allergies. Other skin diseases, such as ichthyosis, which causes dry, thickened skin. Depression or ...

Dry, cracked skin that itches or bleeds. Thick, ridged, pitted nails. Poor sleep quality. Some patients have a related condition called psoriatic arthritis, which can be characterized by stiff, swollen, or painful joints; neck or back pain; or Achilles heel pain.

To diagnose psoriasis, your doctor usually examines your skin, scalp, and nails for signs of the condition. They may also ask questions about your health and medical and family history, such as whether you: Experience symptoms such as itchy or burning skin. Had a recent illness or experienced severe stress. Take certain medicines.

There are four major types of epidermolysis bullosa. The skin has a top or outer layer, called the epidermis, and a dermis layer that is underneath the epidermis. The basement membrane is where the layers of skin meet. Doctors determine the type of epidermolysis bullosa based on the location of the changes in the skin and the gene mutation ...

Psoriasis is a skin disease that causes red, scaly skin that may feel painful, swollen, or hot. Learn more about the types and what causes psoriasis. Psoriasis Basics: Overview, Symptoms, and Causes

Dry skin. Itching. Redness of the skin. Cracking of the skin. Scales on the skin that are white, gray, or brown and have the following appearance: Small and flaky. Large, dark, plate-like scales. Hard, armor-like scales. Depending on the type of ichthyosis, other symptoms may include: Blisters that can break, leading to wounds. Hair loss or ...

Protecting your skin from the sun. Use sunscreen and wear clothes to help protect your skin from sunburn and long-term damage. Wearing cosmetics, such as self-tanning lotions or dyes, to cover depigmented patches of skin. Talk to your doctor about which lotion or dye you should use. Finding a doctor who has experience treating people with vitiligo.

Hidradenitis suppurativa is a skin disease that causes pimple-like bumps or boils on and under the skin. The disease is chronic (long lasting) and can be painful. HS does not spread from one person to another. HS starts in the hair follicle in the skin and happens where areas of skin may touch or rub together.