Allergen Health Article

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Definition

An allergen is a substance that can cause an allergic reaction. Allergens are substances that, in some people, the immune system recognizes as "foreign" or "dangerous" but cause no response for most people.

Information

Common allergens include:

  • Bacteria, viruses, and animal parasites
  • Chemicals
  • Dust
  • Drugs (such as antibiotics, serums)
  • Foods (such as milk, chocolate, strawberries, wheat)
  • Perfumes
  • Plants
  • Pollen
  • Smoke

See also:

Reviewer Info: Donald Accetta, MD, MPH, President, Allergy & Asthma Care, PC, Taunton, MA. Review provided by VeriMed Healthcare Network.; ADAM Health Illustrated Encyclopedia, 02/15/2007
 
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