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Eczema



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


Eczema

Definition:

Atopic dermatitis, commonly referred to as eczema, is a chronic skin disorder categorized by scaly and itching rashes. People with eczema often have a family history of allergic conditions like asthma, hay fever, or eczema.


Alternative Names:
Infantile eczema; Atopic eczema; Dermatitis - atopic
Causes, incidence, and risk factors:

Eczema is most common in infants, and at least half of those cases clear by age 3. In adults, it is generally a chronic or recurring condition.



A hypersensitivity reaction (similar to an allergy) occurs in the skin, causing chronic inflammation. The inflammation causes the skin to become itchy and scaly. Chronic irritation and scratching can cause the skin to thicken and become leathery-textured.

Exposure to environmental irritants can worsen symptoms, as can dryness of the skin, exposure to water, temperature changes, and stress.


References:

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

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





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