Philippine Society of Allergy, Asthma and Immunology, Inc.


  • If you have a food allergy, your immune system overreacts to a particular protein found in that food. Symptoms can occur when coming in contact with just a tiny amount of the food.
  • The most common food allergens are the proteins in cow’s milk, eggs, peanuts, wheat, soy, fish, shellfish and tree nuts.
  • Many people who think they are allergic to a food may actually be intolerant to it. True food allergy can lead to a life-threatening reaction (anaplylaxis).
  • Allergic reactions to food normally occur within minutes of eating the trigger food, though they can sometimes appear a few hours later. Symptoms of a food allergy include hives/rash, vomiting, stomach cramps or diarrhea, swelling, difficulty breathing, choking.
  • There is currently no cure for food allergies; nor are there medicines to prevent reactions. Yet there are steps you should take to manage your condition. The most important of these is avoiding coming in contact with food proteins that can cause an allergic reaction. You should also read food labels to ensure that you don’t eat foods that contain foods to which you are allergic. Always ask about ingredients when eating at restaurants or when you are eating foods prepared by family or friends.

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