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Treating Teen Acne

It's a fact of teenage life: When puberty hits, acne often does, too.

Just about every teen will find at least one blackhead or whitehead on his or her skin by age 17, and some teens will develop more severe acne, which can leave scarring.

The prime culprits of acne, experts say, are heredity and hormones. At puberty, the sebaceous or oil glands around the hair follicles on the skin enlarge. Oil production also increases. Then, the ducts surrounding the follicles become clogged, and a whitehead or blackhead?called a comedo?results.

Most cases of pimples, blackheads, or whiteheads will clear up quickly, but for some, acne can cause extremely painful, cystlike lesions. Acne can continue for years, but typically vanishes when a person reaches his or her early 20s. For some, however, acne can continue well into adulthood.

Determining which type of acne lesions a teen has is the first step in directing treatment. There are four common types:

Blackheads (or open comedones)

These are caused by pores clogged by debris on the skin surface. Blackheads typically show up on the face, nose, and forehead, and on the neck, chest, and back. (Blackheads have a black center, which is not caused by dirt, but rather, by cells and oil in the follicle that oxygen in the air oxidizes.) Teens can sometimes open the clogged pores by using a benzoyl peroxide gel applied sparingly four to seven times a week. If this doesn't help after a couple of months, then your doctor may prescribe a different medication. Teens also should gently clean their skin twice a day. Girls who wear makeup should use face products that won't encourage blackheads to form. (These products are called noncomedogenic.)

Whiteheads (or closed comedones)

When a plugged follicle remains under the skin, a small white bump or whitehead results. They can sometimes be treated by over-the-counter benzoyl peroxide cream or with prescription medications.

Papules and pustules

Papules are small bumps on the skin that are inflamed. Pustules (pimples) are papules that are filled with pus. Topical medications such as benzoyl peroxide or a retinoid (prescribed topical medicine) can often help. An oral antibiotic, oral contraceptive, or other prescription cream may be needed.

Cysts or nodules

These are deeper, painful lesions that occur when the infection within the sebaceous gland causes the gland and the area around it to become distorted as the infection spreads below the skin surface. An oral antibiotic or other acne medication like isotretinoin is often necessary to treat these types of lesions to help prevent scarring.

Skin care and treatment

A starting point for good skin care includes thorough but gentle cleansing at least twice daily. Vigorous scrubbing will irritate the skin, making acne worse. Be aware that products that include alcohol or other astringents or harsh detergents can irritate the skin and constrict the pores, often making acne worse. Your teen should wear an oil-free or noncomedogenic sunscreen when outdoors.

Occasionally, nodules or deep bumps of acne persist. Then, the doctor may prescribe topical antibiotics. Oral antibiotics, or other acne medicines like isotretinoin, are sometimes required, but you should talk with your child's doctor about the risks and benefits before using them.

Tips to care for acne

  • Keep all skin areas prone to acne very clean. Use soap and lots of water; pat areas dry; don't rub the skin.

  • Avoid washing acne prone areas with very hot or very cold water. Lukewarm water is best for not aggravating skin conditions.

  • Don't cover acne with bandages or tight-fitting clothing.

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