Category: Dermatology

Seborrheic dermatitis

Overview Seborrheic dermatitis is a common skin condition that mainly affects your scalp. It causes scaly patches, inflamed skin and stubborn dandruff. It usually affects oily areas of the body, such as the face, sides of the nose, eyebrows, ears, eyelids and chest. This condition can be irritating but it's not contagious, and it doesn't cause permanent hair loss. Seborrheic dermatitis may go away without treatment. Or you may need to use medicated...

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Skin cancer

Overview Skin cancer is a condition characterized by the abnormal growth of skin cells, most commonly occurring on areas exposed to sunlight. However, it can also develop on skin that is not typically exposed to sunlight. There are three main types of skin cancer: basal cell carcinoma, squamous cell carcinoma, and melanoma. To reduce the risk of skin cancer, it is advised to limit or avoid exposure to ultraviolet (UV) radiation from the sun....

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Sexually transmitted diseases (STDs)

Overview Sexually transmitted diseases (STDs) — or sexually transmitted infections (STIs) — are generally acquired by sexual contact. The bacteria, viruses or parasites that cause sexually transmitted diseases may pass from person to person in blood, semen, or vaginal and other bodily fluids. Sometimes these infections can be transmitted nonsexually, such as from mothers to their infants during pregnancy or childbirth, or through blood...

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Wrinkles

Overview Wrinkles, a natural part of aging, are most prominent on sun-exposed skin, such as the face, neck, hands and forearms. Although genetics mainly determine skin structure and texture, sun exposure is a major cause of wrinkles, especially for people with light skin. Pollutants and smoking also contribute to wrinkling. If your wrinkles bother you, you have more options than ever to help smooth them or make them less visible. Medications,...

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Acne

Overview Acne is a skin condition that occurs when your hair follicles become plugged with oil and dead skin cells. It causes whiteheads, blackheads or pimples. Acne is most common among teenagers, though it affects people of all ages. Effective acne treatments are available, but acne can be persistent. The pimples and bumps heal slowly, and when one begins to go away, others seem to crop up. Depending on its severity, acne can cause emotional...

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