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Meaning of HYPERSENSITIVITY REACTION

 
WordNet Dictionary
 
 Definition: 
[n]  an inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock
 
 See Also: allergic reaction, allergic rhinitis, allergy, anaphylaxis, hives, hypersensitivity, nettle rash, urticaria, urtication

 

 

 

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