Eczema
Definition
Eczema is a chronic skin disorder that involves scaly and itchy rashes. Eczema is also called atopic dermatitis.
Alternative Names
Infantile eczema; Atopic dermatitis; Dermatitis - atopicCauses
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 an have a leather-like texture.
Eczema is most common in infants, and at least half of those cases clear by age 3. In adults, it is generally a long-term or recurring condition. Eczema tends to run in families.
People with eczema often have a family history of allergic conditions like asthma, hay fever, or eczema.
The following can make eczema symptoms worse:
- Dry skin
- Exposure to environmental irritants
- Exposure to water
- Stress
- Temperature changes
References
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.
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