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February 9, 2012
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Eczema (cont.)

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Eczema Causes

It is generally agreed that the tendency to atopy is genetically inherited. People with eczematous dermatitis have a variety of abnormal immunologic findings which are probably related to more than one genetic defect. For example, such individuals tend to have elevated IgE antibody (immunoglobulin E) levels and have difficulty in fighting off certain viral, bacterial, and fungal infections.

Like most other noninfectious diseases, atopic skin disease can be triggered by environmental factors.

  • One of the hallmarks of atopic dermatitis is excessive skin dryness, which seems to be due a lack of certain skin proteins. Any factor that promotes dryness is likely to exacerbate atopic dermatitis.


  • Common triggers of atopic dermatitis include the following:


    • Harsh soaps and detergents


    • Solvents


    • Low humidity


    • Lotions


    • Rough wool clothing


    • Sweating


    • Occlusive rubber or plastic gloves


    • Rubbing


    • Staphylococcal bacteria


    • Repeated wetting and drying of the skin (food handling)
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Read What Your Physician is Reading on Medscape

Dyshidrotic Eczema »

Dyshidrotic eczema is a recurrent or chronic relapsing form of vesicular palmoplantar dermatitis of unknown etiology.

Read More on Medscape Reference »

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