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.
A common type of noncancerous skin tumor that resembles a wart and may bleed or be itchy.
Viral warts are viral infections of the skin that are most common on the hands and feet. Learn about symptoms 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.
Skin condition marked by intensely firm, itchy bumps
A fungal infection that can affect the skin, fingernails, toenails, and/or hair.
Lichen planus is an inflammatory disease that can affect the skin, mouth, nails, genitals, and scalp. Learn about symptoms and treatment.
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.
Cutaneous T-cell lymphoma (CTCL) is a rare form of lymphoma that can affect the skin, blood, lymph system, and internal organs. Learn about symptoms and treatment.