Alopecia areata happens when the immune system attacks hair follicles. This causes the hairs in those follicles to fall out and not grow back.
Vitiligo is a disease that causes patches of skin to lose their color, resulting in white spots. Learn about causes and treatment.
Pemphigus and pemphigoid are two rare autoimmune blistering disorders that are not contagious. Learn about symptoms and treatment.
Actinic keratosis (AK) is a scaly and rough patch of skin caused by years of sun damage. Learn about symptoms and treatment.
An autoimmune disease in which the skin becomes thickened and hardened. It can also affect internal organs.
Lichen planus is an inflammatory disease that can affect the skin, mouth, nails, genitals, and scalp. Learn about symptoms and treatment.
A fungal infection that can affect the skin, fingernails, toenails, and/or hair.
Dermatitis herpetiformis is an autoimmune disease triggered by eating gluten. 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.
Keloids are overgrowths of scar tissue that can sometimes appear when an injury heals. Learn about symptoms and treatment.