Meaning of ALLERGIC REACTION

WordNet Dictionary
	Definition:		[n]  hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity
	Synonyms:		allergy
	See Also:		atopic allergy, atopy, delayed allergy, food allergy, hypersensitivity reaction, immediate allergy, serum disease, serum sickness, type I allergic reaction, type IV allergic reaction
Medical Dictionary
	Definition:		A response, such as rash, hives, itching, asthma, hay fever, etc., to an allergen.