Vitiligo - Symptoms & causes - Mayo Clinic
网页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. Vitiligo occurs when cells that produce ...
White patch on skin: A cause for concern? - Mayo Clinic
网页2023年10月3日 · Answer From Lawrence E. Gibson, M.D. Generally, a discolored patch on skin isn't cause for concern. Skin discoloration can be triggered by a number of causes, including: Atopic dermatitis (eczema). Sometimes a small area of skin becomes irritated, which results in a patch of skin that's lighter in pigment than is the skin around it (pityriasis ...
Vitiligo Symptoms, Treatment & Causes | NIAMS
网页2021年3月2日 · Vitiligo is a chronic (long-lasting) autoimmune disorder that causes patches of skin to lose pigment or color. This happens when melanocytes – skin cells that make pigment – are attacked and destroyed, causing the skin to turn a milky-white color. In vitiligo, the white patches usually appear symmetrically on both sides of your body, such ...
Vitiligo - Diagnosis & treatment - Mayo Clinic
网页2022年11月10日 · Medications. No drug can stop the process of vitiligo — the loss of pigment cells (melanocytes). But some drugs, used alone, in combination or with light therapy, can help restore some color. Drugs that control inflammation. Applying a corticosteroid cream to affected skin might return color.
Tinea versicolor - Symptoms & causes - Mayo Clinic
网页2024年7月13日 · The overgrowth of fungus that causes tinea versicolor interferes with the normal pigment production of the skin. This creates an uneven skin pigment. Tinea versicolor (TIN-ee-uh vur-si-KUL-ur) occurs most frequently in teens and young adults. Sun exposure may make tinea versicolor more apparent. Tinea versicolor, which is …
Actinic keratosis - Symptoms & causes - Mayo Clinic
网页2022年12月17日 · Symptoms. Actinic keratoses vary in appearance. Symptoms include: Rough, dry or scaly patch of skin, usually less than 1 inch (2.5 centimeters) in diameter. Flat to slightly raised patch or bump on the top layer of skin. In some cases, a hard, wartlike surface. Color variations, including pink, red or brown.
Dermatitis - Symptoms and causes - Mayo Clinic
网页Symptoms. Contact dermatitis Enlarge image. Each type of dermatitis tends to occur on a different part of the body. Symptoms may include: Itchiness that can be painful. Dry, cracked, scaly skin, more typical on white skin. Rash on swollen skin that varies in color depending on skin color. Blisters, perhaps with oozing and crusting.
Seborrheic dermatitis - Symptoms and causes - Mayo Clinic
网页2024年7月19日 · Symptoms. Seborrheic dermatitis signs and symptoms may include: Flaking skin (dandruff) on your scalp, hair, eyebrows, beard or mustache. Patches of greasy skin covered with flaky white or yellow scales or crust on the scalp, face, sides of the nose, eyebrows, ears, eyelids, chest, armpits, groin area or under the breasts.
Lichen sclerosus - Symptoms and causes - Mayo Clinic
网页Lichen sclerosus (LIE-kun skluh-ROW-sus) is a condition that causes patchy, discolored, thin skin. It usually affects the genital and anal areas. Anyone can get lichen sclerosus but postmenopausal women are at higher risk. It isn't contagious …
Leukoplakia - Symptoms and causes - Mayo Clinic
网页2024年2月15日 · Hairy leukoplakia. Hairy leukoplakia causes fuzzy, white patches that look like folds or ridges. The patches usually form on the sides of the tongue. Hairy leukoplakia is often mistaken as oral thrush, an infection that causes creamy white patches that can be wiped away. Oral thrush also is common in people with weak immune systems.