How easy is it to identify the symptoms of a food allergy?
Most allergy sufferers experience mild reactions. Symptoms can include varying degrees of hives, swelling of the throat, difficulty breathing and vomiting. A small proportion of susceptible sufferers may experience severe and potentially fatal anaphylactic shock. Anaphylaxis is the life-threatening reaction induced by severe allergies that can constrict the airways in the lungs, severely lower blood pressure, and swell the tongue or throat, among other symptoms. Anaphylaxis is rare, but can be fatal if not treated immediately. It can be caused by foods, insect stings and medications. Are food allergies life long? Children commonly outgrow food allergies. However, allergies to peanuts, nuts, fish and shellfish are usually life-long. Are there reasons why a peanut allergy is so severe? Peanuts are a complex plant food, with more than 30 different proteins. Research is underway to identify exactly which proteins trigger an allergic reaction, and why the reaction can vary in severity among