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Allergies Health Center

Common Disorders

Allergies - Health News

Related Tools and Calculators

  • Allergy Quiz
    Allergies are extremely common, but often poorly understood. See how much you know about the cause and treatment of this widespread disease.
  • Is It Really A Cold? Or Something Nastier?
    Are you dripping, blowing, hacking and generally miserable? Does it seem like you've felt that way forever? Test the odds that it's not a cold, and find out what to do about it.

Related Videos

Related Animations

  • Allergy
    An allergy is an over-reaction of the immune system to a normally harmless substance called an allergen. This detailed video animation shows the causes of allergic reactions and how anti-histamine's can stop the reaction.

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