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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.
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.