Allergic reactions
From DrKoop's partner site on allergy, MyAllergyNetwork.com
Allergic reaction is a sensitivity to a specific substance, called an allergen, that is contacted through the skin, inhaled into the lungs, swallowed or injected. The body's reaction to an allergen can be mild, such as a localized rash, or life-threatening, such as anaphylactic shock.
Review Date: 05/18/2006 ![]() advertisement
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