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Food Allergy Testing

Blood Test: Allergen-Specific Immunoglobulin E (IgE)

This blood test can check for some kinds of allergies.

Blood Test: Immunoglobulin E (IgE)

The immunoglobulin E (IgE) blood test is often done as part of an initial screen for allergies. High IgE levels also may indicate a parasitic infection.

How Do Doctors Test for Food Allergies?

Find out what the experts have to say.

What Is Skin Testing for Allergies?

A scratch or skin prick test is a common way doctors find out more about a person's allergies.