A fungal infection that can affect the skin, fingernails, toenails, and/or hair.
Vitiligo is a disease that causes patches of skin to lose their color, resulting in white spots. Learn about causes and treatment.
Infantile hemangioma, a type of red birthmark formed of extra blood vessels in the skin, is common and found in five to 10 percent of babies.
A common type of noncancerous skin tumor that resembles a wart and may bleed or be itchy.
Acne is a skin condition characterized by pimples, blackheads, and whiteheads on the face, back, and chest. Learn about symptoms and treatment.
Alopecia areata happens when the immune system attacks hair follicles. This causes the hairs in those follicles to fall out and not grow back.
Many people are born with birthmarks. There are a variety of different types, including congenital hemangioma and vascular malformations.
Allergic contact dermatitis is the skin's reaction to an irritant—anything from poison ivy to certain fabrics can cause your skin to flare. Learn about symptoms and treatment.
Lichen sclerosus is a rare skin disease that causes itchy and painful patches of thin, white, wrinkled-looking skin. Learn about symptoms and treatment.
Dermatitis herpetiformis is an autoimmune disease triggered by eating gluten. Learn about symptoms and treatment.