The taxonomic diversity (fish, molluscs, and crustaceans) suggests that complete cross-reactivity for all seafood is unlikely to be common. In one study, of 20 children with a history of allergy to cod, there was a history of allergy to sole in 11 (55%), to tuna in 7 (35%), and to mackerel, anchovy, sardine, red mullet, and salmon each in 1 (5%). Most studies of cross-reactivity are based on skin prick and IgE antibody test results, which are of little relevance to clinical sensitivity.

Food Allergies

Food Allergies

Peanuts can leave you breathless. Cat dander can lead to itchy eyes, a stuffy nose, coughing and sneezing. And most of us have suffered through those seasonal allergies with horrible pollen counts. Learn more...

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