Allergies occur when the immune system reacts abnormally to certain stimuli. Reactions may occur in one spot such as a small localized skin rash , itchy eyes or all over as urticaria. It is an inflammatory reaction to your skin and the source of that inflammation is very likely be the foods that you are putting through your mouth into your digestive system. The most effective and affordable option is to strictly remove the suspected foods from your diet and observe changes. Continue reading