True chocolate or cocoa allergy
is rare. More commonly, reactions to chocolate are the result of a food intolerance
or allergy to an ingredient in chocolate. People may be allergic to one or more food additives used in some chocolate products.When such an allergy occurs,it may cause hives,swelling,itching,sneezing and life threatening anaphylaxis.Chocolate contains milk,wheat/gluten,corn and corn syrup,nuts and various additives.