Food Allergy Surprises: Hidden Sources

Here are the most likely places key food allergens may be lurking, according to the experts WebMD interviewed.

Allergy: Milk/Dairy

Hidden sources: hot dogs, canned tuna, some chewing gum, margarine made from corn oil (skim milk powder), granola bars, chocolate chips, desserts containing caramel coloring, brown-sugar flavoring, coconut-cream flavoring, natural chocolate flavoring, grilled steak (many restaurants rub steaks with butter after grilling)

Allergy: Eggs

Hidden sources: Milky Way or Snickers bars (nougat contains eggs); any baked good with a shiny surface, including bagels and pretzels; the foam on some coffee drinks; the pasta in prepared foods such as soups

Allergy: Nuts

Hidden sources: Barbecue sauce, bouillon, chili (nuts are used sometimes as thickener)

Allergy: Wheat/Gluten

Hidden sources: Hydrolyzed wheat protein is sometimes listed only as a flavor enhancer or binder in prepared foods and sauces, alcoholic beverages, hot dogs, ice cream cones, licorice, soup mixes, coffee creamer substitutes (grain based), butter flavoring, caramel coloring, some brands of butter, couscous

Allergy: Seafood

Hidden sources: Caesar salad (anchovies); caponata (Italian relish/anchovies); foods fortified with omega-3 fatty acids (fish source), including some orange juice, baby cereals, and soymilk.

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