Food Allergy is an adverse immune response to food substances, mostly protein. The other adverse responses to food substances like food intolerance, pharmacological reactions and toxin-mediated reactions.
Protein Food Allergy
A protein in the food is the most common allergic causing component. Some of the common and popular food allergens are milk, egg, peanut, tree nuts, fish, shellfish, soy and wheat. Most of the allergies to food become tolerable with time, but peanut and shellfish allergies remain lifelong.