IGHE and food allergy: The evaluation of an individual with a potential IgE-mediated food allergy (FA) includes a combination of some diagnostic tools, such as history and clinical examination, skin prick tests (SPTs), in vitro testing such as serum specific IgE (sIgE) tests and component-resolved diagnosis (CRD) and oral food challenge (OFC) [1,2,3,4,5].