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Content created by
Written by
Dr. Shreya Gupta
BDS, MDS - Oral and Maxillofacial Pathology
Reviewed by
Dr. Ashish Ranjan
MBBS, MD (Pharmacology)
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Allergy - Drugs, EIA

Allergy - Drugs, EIA Includes 25 testsView All
2999
You need to provide
Blood, Urine
This test is for
Male, Female
Test Preparation
  1. Clinical history is preferred.

Understanding Allergy - Drugs, EIA


What is Allergy - Drugs, EIA?

Allergy - Drugs, EIA test measures Total IgE and specific IgE antibodies against certain medications that act as allergy-causing substances. When you come in close contact with allergy-causing substances called allergens, your immune system releases immunoglobulin-E (IgE) antibodies to protect the body against specific allergens and cause allergy symptoms. Allergy symptoms include abdominal pain, cough, diarrhea, dry skin, eczema, headache, hives (urticaria) and swelling (angioedema), itchy, red or watery eyes, nausea and vomiting, shortness of breath (dyspnea), skin rash, sneezing, sore throat (pharyngitis), stuffy, itchy or runny nose, swollen lips, tongue, eyes or face, wheezing, tightness in your chest or allergic asthma. Your doctor may order this test if you have symptoms of allergy and detecting specific IgE may help manage your symptoms. Individuals having a history of other allergies or a family history of drug allergies are more prone to drug allergies. The best treatment for an allergy is to avoid contact with or exposure to the allergen(s).

Note:

  1. The presence of allergen-specific IgE indicates sensitization to that allergen. It does not necessarily imply allergic disease. Allergy blood tests may often deliver false-positive results (around 50-60%) and they also cannot determine the severity of an allergy.
  2. In patients with clinical signs and symptoms of allergy, a positive specific IgE test may either reveal sensitization induced by the allergen or sensitivity caused due to cross-reactivity (which may or may not be clinically relevant).
  3. False positives can occur as a result of cross-reactivity between allergens - this can happen due to common antigenic determinants in allergens of different species. Some proteins in foods are cross-reactive with similar proteins in other foods or even environmental allergens like pollens. (e.g. false positive test for soy in a person with a peanut allergy, or a false positive test for wheat in a person with a grass pollen allergy). 
    1. False negatives can occur- a negative IgE test result does not completely rule out allergic disease.
    2. Specific IgE assay against food allergens and bites of venomous insects can be false negative. In patients with clinically proven food allergies, specific IgE antibodies may remain undetected because these antibodies may be directed towards allergens that are revealed or altered during cooking, industrial processing, or digestion and therefore do not exist in the original food (allergen) for which the patient is tested.
  4. Drug allergy tests- A negative result against antibiotics (penicillin G, penicillin V, cephalosporin, ampicillin, and amoxicillin) or other drugs does not exclude the presence of a clinical hypersensitivity to these allergens. This can occur either due to non-IgE mediated hypersensitivity or timing of the blood sample (if the patient has not been exposed to the drug for a long time, the specific IgE may not be detectable) as the half-life of IgE is 2-3 days.
  5. Different kits differ in the quantification of specific IgE, which varies depending on the allergen studied. Thus, specific IgE results obtained with different techniques (e.g. FEIA/ CLIA/ ELISA) are not interchangeable. The principal differences between IgE detection methods are due to the technology used, source, and quality of the allergen used in different kits.

What does Allergy - Drugs, EIA measure?

Contains 25 tests

Cobalamin (Vitamin B12)

Ofloxacin

Ciprofloxacin

Penicilloyl V

Penicilloyl G

Prilocaine

Thiamine (Vitamin B1)

Oxacillin

Cephalosporin

Ampicillin

Aspirin

Amoxicillin

Sulpha

Paracetamol

Tetracycline

Azithromycin

Gentamycin

Diclofenac

Ibuprofen

Chloramphenicol

Ascorbic Acid

Metronidazole

Benzocaine

Bromhexine

expand icon

Total IgE

Immunoglobulins are antibodies (proteins) produced by plasma cells (specific immune cells) when the body recognizes bacteria, viruses, other microorganisms, or any other unknown substances as harmful foreign antigens (allergy-causing substances or allergens) to the immune system. There are five types of immunoglobulins: IgA, IgG, IgM, IgD, and IgE.

Unlike other antibodies, IgE is primarily associated with immune responses to allergenic substances, such as plant pollen, latex, pet dander, mold, eggs, peanuts, bee venom, and strawberries. Normally, IgE is present in very small amounts in the blood. When the immune system encounters an allergen, it triggers the production of IgE antibodies. A Total IgE test measures the concentration of these IgE antibodies in the blood, providing insights into the presence and severity of allergies.

Know more about Total IgE

Allergy - Drugs, EIA test price for other cities


Price inBangaloreRs. 2999
Price inMumbaiRs. 2999
Price inKolkataRs. 2999
Price inGurgaonRs. 2999
Price inPuneRs. 2999
+ more

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