food allergy egg allergy A food allergy that is an allergy or hypersensitivity to dietary substances from the yolk or whites of eggs, causing an overreaction of the immune system which may lead to severe physical symptoms. Allergy to eggs (disorder) DOID:4377 Egg allergy MSH:D021181 SNOMEDCT_US_2015_03_01:157802003 SNOMEDCT_US_2015_03_01:213019003 SNOMEDCT_US_2015_03_01:91930004 UMLS_CUI:C0559469 disease_ontology