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Practo

Diagnostic Tests

Allergy Xylocaine Fluorescence Assay Skin

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Allergy Xylocaine Fluorescence Assay Skin

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What is this test?

Allergy xylocaine skin test is used to test the sensitization of your skin to the Xylocaine. This test helps in knowing the immune response to the Xylocaine. In this test, your skin is slightly pricked and introduced to the Xylocaine.

What is xylocaine?

Xylocaine is a local anesthetic drug used to numb the tissues on which it is applied. Xylocaine is also known as lidocaine or lignocaine. This is used to prevent or control pain in the procedures where the female or male urethra is involved. This is also used in the treatment of ventricular tachycardia (an abnormal rhythm of the heart) and topical treatment of urethritis (inflammation of the urethra). It is used as a lubricant for endotracheal intubation.

What is xylocaine allergy?

When the administration of xylocaine leads to some unwanted effects it may be termed as xylocaine allergy. These unwanted effects may be swelling, fainting, dizziness, difficulty in breathing, lesions on the skin, etc.

Sometimes the allergic reactions can be life-threatening causing narrowing of the airways, making it difficult to breathe. Very less often xylocaine allergy may cause an anaphylactic reaction. Anaphylaxis is a medical emergency condition which leads to facial flushing, itching, shock, sudden fall in blood pressure, constriction of airways, swollen throat, difficulty to breathe, etc.

Why is this test performed?

This test may be recommended to you before using xylocaine on any tissues to check for any allergies. If you experience any allergic reactions in the past due to any anesthetics your doctor may ask you to undergo this test.

Test Preparation

Inform your doctor if you are on any medications, have any allergies or underlying medical conditions before your Allergy Xylocaine Fluorescence Assay Skin. Your doctor will give specific instructions depending on your condition on how to prepare for Allergy Xylocaine Fluorescence Assay Skin.

No specific preparation is required for this allergy xylocaine skin test.

Understanding your test results

After getting exposed to xylocaine if you develop hives, which are raised bumps at the test location that are at least 3mm in size may indicate that you have the allergy to xylocaine.

If there is no reaction or hives present on the skin after getting exposed to the Xylocaine then it may indicate that you are not allergic to xylocaine.

GenderAge groupsValue
UNISEXAll age groupsA wheal and flare reaction of atleast 3mm indicates that the patient is allergic to the substance
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