Allergy (Allergies)

Touching Our Skin

Contact dermatitis is an inflammation of the skin that is caused by local exposure to a substance. The majority of these localized skin reactions do not involve IgE but are caused by other inflammatory cells. A good example is poison ivy. Examples of substances that commonly cause contact dermatitis include the following:

  • Plants (poison ivy and oak)
  • Dyes
  • Chemicals
  • Nickel and other metals
  • Cosmetics Continue Reading
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Reviewed on 1/23/2015
Allergy Pictures Slideshow: What Happens in a Nasal Allergy Attack

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