Allergy is the abnormal response of your immune system to substances that do not elicit such adverse reactions in normal individuals. The symptoms of the hyperreactive immune response that commonly mark an allergy may include any of the following, either singly or in combination: sneezing, running nose, and congestion; watery and itchy eyes; wheezing; redness and itching of the affected area; and many other troublesome irritations.
KeywordsMast Cell Allergic Reaction Food Allergy House Dust Mite Allergic Response
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