“In delayed food allergy, more delayed, persistent signs can be present, like eczema, vomiting, stomach pains, loose or mucousy bowel motions.” An allergic reaction can last anywhere from a ...
8. Delayed signs “There are two types of food allergy — immediate (mediated by the IgE antibody) which cause the symptoms described above, and delayed (non-IgE mediated),” explains Brough.