ECZEMA OVERVIEW—Atopic dermatitis, also known as eczema, is a skin problem that causes dry, itchy, scaly, red skin. It can occur in infants, children, and adults, and seems more common in certain families. Eczema can be treated with moisturizers and prescription ointments.

ECZEMA CAUSES—The cause of eczema is not completely understood, although hereditary factors appear to play a strong role. In most people, atopic dermatitis is caused by a genetic dysfunction in the outermost layer of the skin (the epidermis). The epidermis is the first line of defense between the body and the environment. When the epidermis is intact, it keeps environmental irritants, allergens, and microbes from entering the body. Despite popular belief, in children, eczema is rarely linked to food allergies. If a food allergy is suspected, talk to your pediatrician for possible evaluation of this.

ECZEMA SYMPTOMS—Most people with eczema develop their first symptoms before age five. Intense itching of the skin, patches of redness, small bumps, and skin flaking are common. Scratching can cause additional skin inflammation, which can further worsen the itching. The itchiness may be more noticeable at nighttime.

Features of eczema vary from one individual to another, and can change over time. Although eczema is usually confined to specific areas of the body, it may affect multiple areas in severe cases:

  • In infants, there may be red, scaly, and crusted areas on the front of the arms and legs, cheeks, or scalp. The diaper area is not usually affected.
  • In children and adults, eczema commonly affects the back of the neck, the elbow creases, and the backs of the knees. Other affected areas may include the face, wrists, and forearms. The skin may become thickened and darkened, or even scarred, from repeated scratching.

The skin can also become infected as a result of scratching. Signs of infection include painful red bumps that sometimes contain pus; a healthcare provider should be consulted if this occurs.

Other findings in people with eczema can include:

  • Dry, scaly skin
  • Plugged hair follicles causing small bumps to develop, usually on the face, upper arms, and thighs
  • Increased skin creasing on the palms and/or an extra fold of skin under the eye
  • Darkening of the skin around the eyes

ECZEMA DIAGNOSIS—There is no specific test used to diagnose eczema. The diagnosis is usually based upon a person's medical history and physical examination.

Factors that strongly suggest eczema include long-standing and recurrent itching, a personal or family history of allergic conditions, and an early age when symptoms began. Other factors include worsened symptoms after exposure to certain triggers or any of the skin findings noted above.

ECZEMA TREATMENT—Eczema is a chronic condition; it typically improves and then flares (worsens) periodically. Some people have no symptoms for several years. Eczema is not curable, although symptoms can be controlled with a variety of self-care measures and drug therapy.

Who treats eczema?—Many patients with atopic dermatitis can initially be treated by their primary care provider. However, a skin specialist (dermatologist) may be recommended in certain situations, such as if the condition does not improve with treatment, if certain areas of the body are affected (face or skin folds), and if another condition could be causing symptoms.

Eliminate aggravating factors—Eliminating factors that worsen eczema can help to control the symptoms. Aggravating factors may include:

  • Heat, perspiration, dry environments
  • Emotional stress or anxiety
  • Rapid temperature changes
  • Exposure to certain chemicals or cleaning solutions, including soaps and detergents, perfumes and cosmetics, wool or synthetic fibers, dust, sand, and cigarette smoke

Keep the skin hydrated

Emollients—Emollients are creams and ointments that moisturize the skin and prevent it from drying out. The best emollients for people with atopic dermatitis are thick creams (such as Eucerin, Cetaphil, and Nutraderm) or ointments (such as petroleum jelly, Aquaphor, and Vaseline), which contain little to no water. Emollients are most effective when applied immediately after bathing. Lotions contain more water than creams and ointments and are less effective for moisturizing the skin.

Bathing—It is not clear if showers or baths are better for keeping the skin hydrated. Lukewarm baths or showers can hydrate and cool the skin, temporarily relieving the itching of eczema. An unscented, mild soap or nonsoap cleanser (such as Cetaphil) should be used sparingly. An emollient should be applied IMMEDIATELY after bathing or showering to prevent the skin from drying out as a result of water evaporation.

However, hot or long baths (greater than 10 to 15 minutes) and showers should be avoided since they can dry out the skin.

In some cases, healthcare providers may recommend dilute bleach baths for people with eczema. These baths help to decrease the number of bacteria on the skin that can cause infections or worsen symptoms. To prepare a bleach bath, ¼ to ½ cup of bleach is placed in a full bathtub (about 40 gallons) of water. Bleach baths are usually taken for five to ten minutes twice per week.

Treat skin irritation

Topical steroids—Prescription steroid (corticosteroid) creams and ointments may be recommended to control mild to moderate atopic dermatitis. Steroid creams and ointments are available in a variety of strengths (potencies); the least potent are available without a prescription (eg, hydrocortisone 1% cream). More potent formulations require a prescription.

Steroid creams or ointments are usually applied to the skin once or twice per day. These help to reduce symptoms and moisturize the skin. As the skin improves, a non-medicated emollient can be resumed. Strong topical steroids may be needed to control severe flares of eczema; however, these should be used for only short periods of time to prevent thinning of the skin.

Other skin treatments—Newer skin treatments for eczema include tacrolimus (Protopic) and pimecrolimus (Elidel). These are effective in controlling eczema, although they do not work as quickly as topical steroids. They are useful in sensitive areas such as the face and groin, and can be used in children over age two. Due to safety concerns, these treatments should only be used as instructed by a healthcare provider.

Oral steroids—Oral steroids (eg, prednisone) occasionally are used to treat a severe flare of eczema, although this treatment is not usually recommended on a regular basis because of potential side effects.

Ultraviolet light therapy (phototherapy)—Ultraviolet light therapy (phototherapy) can effectively control atopic dermatitis. However, this therapy is expensive, may increase a person's risk for skin cancer, and is therefore recommended only for people with severe eczema who do not respond to other treatments.

Immunosuppressive drugs—Drugs that weaken the immune system may be recommended for people with severe eczema who do not improve with other treatments. Treatment with these drugs can cause serious side effects, including an increased risk for infection.

Control itching

Oral antihistamines—Oral antihistamines sometimes help relieve the itching of eczema. The over-the-counter antihistamine diphenhydramine (Benadryl), and prescription antihistamines, such ashydroxyzine (Atarax) and cyproheptadine, are most effective for itching caused by eczema, although these drugs can cause drowsiness.

The nonsedating antihistamines such as cetirizine (Zyrtec) and loratadine (Claritin) may relieve symptoms, and both are available without a prescription in the United States.

Wet dressings—Wet dressings help soothe and hydrate the skin, reduce itching and redness, loosen crusted areas, and prevent skin injury from scratching. Dampened cotton garments may be worn over the affected area and covered with a dry garment. The person may wear these dressings overnight or change them every eight hours during the day.


Wet Wraps with topical steroids are very effective in calming down a flare and can be done before calling the doctor.

Wet wraps can be done several different ways:

  • Apply steroid to RASH
  • Follow with a generous layer of Vaseline or Vanicream to all skin
  • Take a pair of long sleeved, long legged pajamas and wet them with warm water (Pajamas should be white and cotton)
  • Wring out the excess water
  • Put warm, damp pajamas on child
  • Cover damp pajamas with a second pair of dry pajamas.
  • Leave on for at least 1 hour (overnight if possible, especially for severe flares)


  • Warm, moist socks can be used for hands and feet.
  • For older children, arms, legs and trunk can be wrapped in warm, moist towels.
  • “Spot treatments” can be done for severe areas, such as knees and elbows using warm, moist cotton dishtowels or washcloths.

Can eczema be prevented?—Babies who have a parent, brother, or sister with eczema have a high risk of developing atopic eczema. In these babies, the use of moisturizing creams or ointments from the first week of life may prevent eczema during the first year. However, it is uncertain whether this measure is effective in preventing eczema later in life.

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