Immunoglobulin E

immunohematologyImmunity & InflammationBlood

Immunoglobulin E (IgE) is a type of antibody and part of the immune system. IgE antibodies are particularly important where parasites are concerned, and they can also cause allergic reactions.

Why it matters: Healthcare providers use IgE blood tests to help diagnose allergies, autoimmune conditions, infections and other illnesses. A total IgE test can help with conditions such as asthma or atopic dermatitis.

Source · Cleveland Clinic — what it is, why it matters, what moves it, related conditions

What Moves It

May increase with:

Hyper IgE syndrome, a genetic condition

Associated Conditions

Allergic rhinitis, also called hay fever, which high levels are associated withAsthma, which high levels are associated withFood allergies, which high levels are associated withHives, which high levels are associated withHyper IgE syndrome, which high levels are associated withEczema and frequent infections including skin infections, yeast infections, pneumonia and lung abscesses, which a high level may accompany

Related Markers

EosinophilsIgGIgA

Common questions

What is Immunoglobulin E?

Immunoglobulin E (IgE) is a type of antibody and part of the immune system. IgE antibodies are particularly important where parasites are concerned, and they can also cause allergic reactions.

What might a high or low Immunoglobulin E mean?

Healthcare providers use IgE blood tests to help diagnose allergies, autoimmune conditions, infections and other illnesses. A total IgE test can help with conditions such as asthma or atopic dermatitis.

What can affect Immunoglobulin E?

It may be higher with: Hyper IgE syndrome, a genetic condition.