Acne is a disorder of the hair follicles and sebaceous glands. Hair follicles are the areas around the base or root of each hair. Sebaceous glands are the tiny glands that release oil (sebum) into the hair follicles. The sebum moistens the skin and hair. The sebum and hair get to the skin surface through tiny holes called pores.
Fifth disease is a viral illness that causes a rash. It occurs most often in the winter and spring.
Detailed information on poison ivy, including symptoms, diagnosis, treatment, and prevention.
Warts on the skin are harmless growths. They are caused by a virus. Warts can spread to other parts of the body and to other people.
Contact dermatitis is a reaction that happens after your skin comes in contact with certain substances. Skin irritants cause most contact dermatitis reactions. Other cases are caused by allergens, which set off an allergic response.
Impetigo is a skin infection. When it affects just the surface, it’s called superficial impetigo. Impetigo can also affect deeper parts of the skin. This is called ecthyma. It may occur on healthy skin. Or it may occur where the skin was injured by a cut, scrape, or insect bite.
Detailed information on birthmarks and the different types, including vascular birthmarks, hemangiomas, and port-wine stains.
Head lice are tiny parasitic bugs that can infest the skin. They live on people’s heads and feed on their blood. Head lice can cause intense itching.
Detailed information on sunburn, including symptoms, treatment, and prevention.