Personer med anafylaktiske, anafylaktoide eller andre akutte reaktioner (fx urticaria, hævelser i mund og hals, åndedrætsbesvær, hypotension eller shock) efter indtagelse af æg kan have en øget risiko for akutte overfølsomhedsreaktioner.
Persons with a history of anaphylactic, anaphylactoid, or other immediate reactions (e. g. hives, swelling of the mouth and throat, difficulty breathing, hypotension, or shock) subsequent to egg ingestion may be at an enhanced risk of immediate-type hypersensitivity reactions.