Thursday, February, 16, 2012

What Is Atrovent Used For?

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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:

  • Animal proteins and animal dander
  • Bacteria and viruses
  • Chemicals
  • Dust
  • Drugs (such as antibiotics or medications you put on your skin)
  • Foods (such as milk, chocolate, strawberries, wheat)
  • Perfumes
  • Plants
  • Pollen
  • Smoke

See also:

  • Allergies
  • Allergic reaction
  • Food...
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Positive reaction to allergen

Image of a skin rash caused by an allergic reaction... Read more »