Why is it recommended that people who are allergic to eggs also avoid cheeses?
At least one out of three people who are allergic to eggs are allergic to the protein lysozyme, which is present in egg white. Lysozyme is used in certain cheeses because of its bacteriocidal properties. In case of egg allergy, the majority of cheeses should also be excluded from the diet, even if lysozyme is not listed on the label.