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What Is Pseudoallergy — And How Is It Different From Allergy?
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What Is Pseudoallergy — And How Is It Different From Allergy?

Approximately half of the world's population live with allergies. Those who want to keep this disorder under control should know exactly if they actually have an allergy and what causes the reaction.

 Dr. Madina
Article author

Dr. Madina

Allergist-immunologist

How do you know if you have an allergy?

An allergy is diagnosed with a clinical blood test and test for general immunoglobulin E. This test works with children of any age (including newborns) as well as with adults. A special test, including a blood test for immunoglobulin E and skin allergy tests, can be done for everyone except children under 3 years old.

It might not be real!

In many cases, there can be a reaction to an allergen while the test shows up as negative. Such a reaction is not related to immunological disorders, and the substance which causes this reaction is not an antigen. The main symptom of pseudoallergy is ===a strong one-time reaction to the first contact with a substance or a type of food.

The most frequent symptoms include urticaria, swelling, and gastrointes...

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October 28, 2025
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What Is Pseudoallergy — And How Is It Different From Allergy? - Ornament Community