Vitiligo - Symptoms & causes - Mayo Clinic
2024年2月1日 · Vitiligo (vit-ih-LIE-go) is a disease that causes loss of skin color in patches. The discolored areas usually get bigger with time. The condition can affect the skin on any part of the body. It can also affect hair and the inside of the mouth. Normally, the color of hair and skin is determined by melanin.
Tinea versicolor - Symptoms & causes - Mayo Clinic
2024年7月13日 · Tinea versicolor is a common fungal infection of the skin. The fungus interferes with the normal pigmentation of the skin, resulting in small, discolored patches. These patches may be lighter or darker in color than the surrounding skin …
Acanthosis nigricans - Symptoms & causes - Mayo Clinic
2022年6月2日 · Acanthosis nigricans is a condition that causes areas of dark, thick velvety skin in body folds and creases. It typically affects the armpits, groin and neck. Acanthosis nigricans (ak-an-THOE-sis NIE-grih-kuns) tends to affect people with obesity. Rarely, the skin condition can be a sign of cancer in an internal organ, such as the stomach or liver.
Types of dermatitis (dermatitis pictures) - Mayo Clinic
2023年12月19日 · Thickened, discolored skin on the ankles or shins. Itching. Open sores, perhaps with oozing and crusting. Swelling. Stasis dermatitis occurs when varicose veins or other circulatory conditions cause fluids to build up in the lower legs. The swelling produces pressure beneath the skin and slows the flow of blood and oxygen to the skin.
White patch on skin: A cause for concern? - Mayo Clinic
2023年10月3日 · Other skin diseases, including psoriasis and vitiligo, also may cause patchy discoloration of the skin. Most often other lesions typical for these conditions are present on more than one spot of the body. On brown and black skin, psoriasis can leave discolored patches after it heals (postinflammatory hypopigmentation).
Lichen sclerosus - Symptoms and causes - Mayo Clinic
When symptoms do occur, they usually affect the skin of the genital and anal areas. The back, shoulders, upper arms and breasts may also be affected. Symptoms may include: Smooth discolored skin patches; Blotchy, wrinkled skin patches; Itching; Soreness or a burning feeling; Easy bruising; Fragile skin; Changes in the tube for urine flow (urethra)
Dark circles under eyes When to see a doctor - Mayo Clinic
2005年6月24日 · Your doctor may suggest prescription creams and other treatments to improve the look of your skin. Laser therapy or chemical peels can be helpful to some people. Injectable fillers can smooth the hollows that cause shadows. Other options are platelet-rich plasma injections and surgery to reduce puffy lids. Self-care
Sun damage - Mayo Clinic
2023年6月24日 · To protect itself from the damaging effects of the sun, skin makes more brown pigment, called melanin. That extra melanin is what creates a suntan. But sometimes skin doesn't make melanin evenly. As a result, the skin's coloring, called pigmentation, looks patchy. The sun also can cause small blood vessels to stretch, giving skin a blotchy look.
Vitiligo - Diagnosis & treatment - Mayo Clinic
2022年11月10日 · The choice of treatment depends on your age, how much skin is involved and where, how quickly the disease is progressing, and how it's affecting your life. Medications and light-based therapies are available to help restore skin color or even out skin tone, though results vary and are unpredictable. And some treatments have serious side effects.
Livedo reticularis: When is it a concern? - Mayo Clinic
2024年3月8日 · Livedo reticularis is thought to be due to spasms of the blood vessels or a problem of the blood flow near the skin surface. It makes the skin look mottled in sort of a net pattern with clear borders. The condition most often shows up on the legs. Sometimes livedo reticularis is simply the result of being chilled.