allergic reaction
n.
A local or generalized reaction of an organism to internal or external contact with a specific allergen to which the organism has been previously sensitized.
Nearby words
allergenic, allergenic extract, allergic, allergic conjunctivitis, allergic purpura, allergic reaction, allergic rhinitis, allergic salute, allergist, allergy, allesthesia
The American Heritage® Stedman's Medical Dictionary
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