Table 1.

Differential diagnosis of immunologic and nonimmunologic mimics of food allergy

Masquerading Food	Actual Trigger	Diagnosis
Fruits and vegetables	Birch, mugwort, ragweed, and  profilin5	Oral allergy syndrome*
Corn, wheat, and flour	Der p 1	Oral mite anaphylaxis*
Avocado, banana, kiwi, and others	Latex (hevein,1,3β-glucanase)6,7	Latex-fruit syndrome*
Wheat, celery, shellfish, cabbage, peaches,  grapes, apples, and others	Exercise8	Food dependent, exercise-  induced anaphylaxis*
Mammalian meat	Galactose-α-1,3-galactose	Delayed meat anaphylaxis*
Dairy, eggs, and meats	Enterotoxin	Staphylococcus aureus food  poisoning
Dairy	Lactose	Lactase deficiency
Pork	Cat albumin	Pork-cat syndrome9*
Soy sauce, tomatoes, meat, parmesan cheese,  and mushrooms	Monosodium glutamate10	Preservative intolerance
Cheese, smoked meats, alcohol, and  chocolate	Tyramine	Pheochromocytoma crisis and  carcinoid syndrome11,12
Salad bars, dehydrated fruits, wine, and  others	Metabisulfites and other sulfites13	Preservative intolerance
Fish and cheese	Scombroid14 and ciguatera toxin	Scombroid and ciguatera  poisoning

^*IgE-mediated reaction.