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Eczema - MedlinePlus Medical Encyclopedia
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Eczema

Contents of this page:

Illustrations

Keratosis pilaris - close-up
Keratosis pilaris - close-up
Atopic dermatitis
Atopic dermatitis
Atopy on the ankles
Atopy on the ankles
Dermatitis, atopic on the arms
Dermatitis, atopic on the arms
Dermatitis, atopic in an infant
Dermatitis, atopic in an infant
Hyperlinearity in atopic dermatitis, on the palm
Hyperlinearity in atopic dermatitis, on the palm
Eczema, atopic - close-up
Eczema, atopic - close-up
Dermatitis, atopic on a young girl's face
Dermatitis, atopic on a young girl's face
Keratosis pilaris on the cheek
Keratosis pilaris on the cheek
Dermatitis, atopic on the legs
Dermatitis, atopic on the legs
Hyperlinearity in atopic dermatitis
Hyperlinearity in atopic dermatitis

Alternative Names    Return to top

Infantile eczema; Atopic dermatitis; Dermatitis - atopic

Definition    Return to top

Eczema is a chronic skin disorder that involves scaly and itchy rashes.

Causes    Return to top

Eczema is due to a hypersensitivity reaction (similar to an allergy) in the skin, which leads to long-term inflammation. The inflammation causes the skin to become itchy and scaly. Long-term irritation and scratching can cause the skin to thicken and have a leather-like texture.

Eczema is most common in infants. The condition tends to run in families.

People with eczema often have a family history of allergic conditions such as asthma, hay fever, or eczema.

The following can make eczema symptoms worse:

Symptoms    Return to top

Exams and Tests    Return to top

Diagnosis is primarily based on the appearance of the skin and on personal and family history. The health care provider should examine the lesions to rule out other possible causes. A skin lesion biopsy may be performed, but is not always required to make the diagnosis.

Treatment    Return to top

Treatment can vary depending on the appearance (stage) of the lesions. "Weeping" lesions, dry scaly lesions, or chronic dry, thickened lesions are each treated differently.

Outlook (Prognosis)    Return to top

Eczema is a chronic condition, but you can control it with treatment and by avoiding irritants. In children, it often clears up by early adulthood. In adults, it is generally a long-term or recurring condition.

Possible Complications    Return to top

When to Contact a Medical Professional    Return to top

Call for an appointment with your health care provider if:

Prevention    Return to top

Studies have shown that children who are breast-fed are less likely to get eczema. This is also true when the nursing mother has avoided cow's milk in her diet. Other dietary restrictions may include eggs, fish, peanuts, and soy.

Eczema tends to run in families. Controlling stress, nervousness, anxiety, and depression can help in some cases.

References    Return to top

Habif TP. Clinical Dermatology. 4th ed. St. Louis, Mo: Mosby; 2004:41.

Goldman L, Ausiello D. Cecil Textbook of Medicine, 22nd ed. Philadelphia, Pa: WB Saunders; 2004:2458-2460.

Lewis-Jones S, Mugglestone MA; Guideline Development Group. Management of atopic eczema in children aged up to 12 years: summary of NICE guidance. BMJ. 2007;335:1263-1264.

Ascroft DM, Chen LC, Garside R, Stein K, Williams HC. Topical pimecrolimus for eczema. Cochrane Database Syst Rev. 2007 Oct 17;(4):CD005500.

Update Date: 10/28/2008

Updated by: Michael Lehrer, MD, Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 1997-2009, A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.


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