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Allergic Dermatitis Underlying Cause
Allergic dermatitis occurs when the body's immune system over-reacts to a substance that is normally harmless. An allergen is a substance that triggers an allergic reaction, such as allergic dermatitis.

Common allergens that cause allergic dermatitis include:
  • Bacteria
  • Chemicals
  • Food
  • Medicines
  • Metals
  • Pollens
  • Viruses
Continue to Allergic Dermatitis Types
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Last Updated: Oct 27, 2008  References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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