cross-allergy

cross-allergy

Immunology Immune response to 2+ cross-reactive allergens–allergy to one allergen is assocated with allergies to other, similar antigens
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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Note: People who are allergic to latex may have a cross-allergy to bananas.
* The widely quoted cross-allergy risk of 10% between penicillin and cephalosporins is a myth (A).
(5,9-11) We included 26 articles for the evidence base evaluating penicillin/amoxicillin cross-allergy. (3,12-36) Eleven articles relied on patient history of penicillin/amoxicillin allergy to categorize results and establish reaction rates and relative risks for the penicillin/amoxicillin allergic vs nonallergic when receiving cephalosporins.