Top 20 Food Allergies with Delayed Reactions | Allergy

Top 20 Food Allergies with Delayed Reactions

by Allergy Guy

When most people think food allergy, they think an immediate collapse to the floor, the face turning blue. Yes, this is one type of allergy, the sort everyone fears when they hear about a peanut allergy for example.

Possibly more common is the “delayed onset” food allergy, where symptoms do not appear for hours or even days. For example, when I eat wheat, I don’t notice any symptoms for about 24 hours. Some people might take two days before they feel anything. In rare cases, symptoms may not appear for a week.

This makes the job of determining what you are allergic to very difficult.

List of Common Allergens

Here are 20 of the most common allergenic foods:

If you think you might be suffering from a food allergy, but are not sure which food is causing the problem, start by cutting out all of the above foods.

Other foods commonly associated with allergic reactions (although not necessarily delayed) include:

  • Spinach
  • Shrimp
  • Oranges
  • Chicken
  • Strawberries
  • Tomato
  • Pork
  • Beef

See the related story Self-Testing for Allergies for a suggested approach.

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{ 3 comments… read them below or add one }

1 Joanna August 19, 2016 at 19:21

The blood type theory diet was debunked…..I see that in most cases its best to embrace vegetarian or vegan diets. I was vegetarian for awhile, just got to discipline myself again. I will definitely moderate certain meats, eliminate pork again, only bake, boil, and grill meat and fish/seafood. I am just wondering what tests are specifically done to catch food allergies. Good article!


2 Tony February 23, 2015 at 15:20

Everybody needs to eat to there blood type, for example if your “o” blood , only eat foods to that blood type, best to read the book ” EAT RIGHT FOR YOUR TYPE” Author Dr Peter D Adamo. I had the same problem


3 Allergy Guy March 1, 2015 at 16:35

That is one theory. I tried it, note sure if it really helped or not but by all means, no harm trying it.


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