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Practo

Diagnostic Tests

Allergy Lidocaine Radio Immunoabsorbent

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Allergy Lidocaine Radio Immunoabsorbent

Also known as Allergy Lidocaine Radio Immunoabsorbent Blood

What is this test?

Allergy Lidocaine blood test is used to detect any allergies caused by lidocaine. This test mainly helps in measuring IgE antibodies in the blood to assess the sensitization to lidocaine allergens. This test helps in knowing the immune response to lidocaine.

What are lidocaine and lidocaine allergy?

Lidocaine is a medication used on the skin for numbness or loss of sensation in the area where it is applied. Lidocaine belongs to a class of drugs called local anesthetics. It also helps in relieving pain and itching. It is available in various forms like topical jelly, ointment, skin patches, topical solutions, swab, powder, spray, cream, etc. Lidocaine allergy may happen when the immune system mistakes the contents in the lidocaine for a foreign substance. Then the body produces a reaction similar to the one created during an attack of bacteria or virus. The symptoms of lidocaine allergy are swelling of the face, lips, tongue, skin rashes, itching, hives, redness, stomach cramps, abdominal discomfort, nausea, vomiting, diarrhea, tightening of the chest, throat, etc.

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

Why this test is recommended?

This test may be recommended to you if you experience symptoms like swelling of the face, lips, tongue, skin rashes, itching, hives, redness, stomach cramps, abdominal discomfort, nausea, vomiting, diarrhea, tightening in the throat, etc immediately after receiving lidocaine. This test may be recommended to monitor the effectiveness of the treatment given for the lidocaine allergy.

Test Preparation

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

No specific preparation is required for this test.

Understanding your test results

The normal reference range may vary depending on gender, age, health history, etc.

If your test results show high levels of IgE antibodies than the given reference range, it may indicate that the person is most likely to have an allergy.

If your test results are lower than the reference range, it may indicate that the allergy is absent in the individual.

If you get abnormal test results, consult your doctor immediately. Your doctor may recommend other tests depending on your test results.

GenderAge groupsValue
MALEAll age groupsIncreased IgE (>100kU/l) is seen if the person is allergic to the specific substance
FEMALEAll age groupsIncreased IgE (>100kU/l) is seen if the person is allergic to the specific substance
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