A food allergy occurs when the immune system has a negative reaction to a specific food. The body produces an allergic antibody to the food, even though it’s harmless. When the food is ingested, the ...

Mustard allergy is a sometimes serious food allergy triggered by mustard. You can find mustard or mustard seeds in prepared mustard and other condiments, salad dressings, spices, seasoning, sauces, ...