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Laboratory Tests for Allergies


Diagnostic laboratory tests for allergies (blood analyses) are intended to complement the results of the skin tests by quantifying the antibodies present in the patient's serum against the various possible allergens.

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Cross-departmental services

Where to find it


What is it used for?

Determining the presence of specific antibodies against possible allergens has repercussions on the decisions allergists take in prescribing treatments such as allergy shots. It also helps to confirm or rule out diagnoses when the patient's symptoms are consistent.


How is it done?

Through a traditional blood sample, taken by healthcare professionals, which is then sent to the Immunology Department, processed and determined.

There is no need for patients to fast or refrain from taking allergy medications such as antihistamines before their blood samples are taken.



Dizziness or bruising after the blood has been taken.

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