IgE (Immunoglobulin E) Blood Test, from our experts to you.
Dr Sam Rodgers MBBS, MRCGP

Chief Medical Officer meet our doctors

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What are
immunoglobulins?

Immunoglobulins (also known as antibodies) play an important role in the immune system and help fight against harmful bacteria and viruses in your body. There are five classes of antibodies and several subclasses. In people with an allergy, their immune system overreacts to a harmless allergen (such as food, grass, or animal dander) by producing IgE. This reaction usually irritates the nose, lungs, throat, and skin. Our IgE test measures the amount of IgE antibodies in your blood, targeted for a suspected allergen.


What does it mean
if my IgE is high?

Elevated IgE results often indicate an allergy. However, not everyone with an elevated result will have a physical allergic reaction when exposed to that substance. You may be sensitised rather than allergic to the substance. The level of IgE does not necessarily predict the severity of a reaction, although the higher the level, the more likely you are to react to the allergen.


What can I learn
from an IgE test?

Whether you have typical allergy symptoms or ongoing unexplained and vague symptoms, this test is a good way of confirming whether you are an allergy sufferer.


What's included?

Immunity
Select profile for more information

Immunoglobulin E Immunoglobulins or antibodies, play an important role in the immune system and help fight against harmful bacteria and viruses in the body. There are five classes of antibodies and several subclasses. In those that have an allergy, their immune system overreacts to a harmless allergen (such as food, grass or animal dander) by producing IgE. This reaction usually causes irritation to the nose, lungs, throat and skin. The allergen-specific IgE antibody test is used to check for an allergy to a specific allergen. It measures the amount of IgE antibody in the blood targeted for a suspected allergen.

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