Allergy, Cockroach American
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What is Allergy, Cockroach American test?
American Cockroach allergy blood test measures the total amount of allergen specific immunoglobulin E (IgE) in an individual’s blood. IgE is a type of antibody which is produced by the body’s immune system. A substance that triggers an allergic immune response is known as an allergen.
Cockroaches are found all over the world. These insects are able to easily adapt to a wide range of environments. They prefer warm surroundings and are commonly found in buildings. A protein found in cockroaches causes allergic reactions in many people. A cockroach bite can cause severe allergies in some people, while other people may even be allergic to cockroach saliva, faeces, and dead skin cells.
Thus, getting an American Cockroach allergy test is recommended to diagnose an American cockroach allergy.
Symptoms of cockroach allergy
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Difficulty in breathing
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Red patches and rashes
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Wheezing
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Coughing
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Itchy, watery eyes
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Stuffy or runny nose
What is American Cockroach allergy test used for?
The test is useful:
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To determine whether allergic symptoms caused are related to a cockroach allergy or not
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To detect the level of IgE antibodies in the blood
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To devise an effective treatment plan for allergy relief
Preparation for the test
No special preparation is required for the allergy test.
Interpretation of test results
The units of measurement for the results are Kilounits per liter (kU/L)
| Class | IgE kU/L | Interpretation |
|---|---|---|
| 0 | < 0.35 | Negative |
| 1 | 0.35 – 0.69 | Equivocal |
| 2 | 0.70 – 3.49 | Positive |
| 3 | 3.50 – 17.4 | Positive |
| 4 | 17.5 – 49.9 | Strongly positive |
| 5 | 50.0 – 99.9 | Strongly positive |
| 6 | > or = 100 | Strongly positive |
Deviation from normal levels indicates the following:
- An elevated IgE level is indicative of an allergy to American cockroach.
- Immunoglobulin E (IgE) concentrations may be elevated in a number of clinical diseases, such as allergic disease, some primary immunodeficiencies, infections, inflammatory diseases, and malignancies.
FAQs on American Cockroach allergy test
A blood sample is collected from a vein in your arm using a small needle. Usually, this process does not take more than 5 minutes.
This test involves negligible risk. There might be slight soreness or tenderness around the site where the blood is drawn. Rarely, the site can become infected
Test result of an allergy, Cockroach American blood test is usually available within 7 working days after sample collection. However, it could take longer at times.
Eliminating the cause is the most effective way to prevent cockroach allergies. For allergy relief, you must take the necessary steps such as keeping a clean home, using exterminators, etc. to eliminate cockroaches from your living space. Your doctor may recommend medications like antihistamines, nasal sprays, decongestants, etc. to treat your allergy symptoms
Bla g 2 is the most commonly known allergen present in cockroach. An allergic person's immune system reacts when they are exposed to cockroach and its secretions. The immune system produces IgE antibodies to fight against this allergen because it perceives Bla g 2 protein as harmful. Unfortunately, these antibodies lead to the release of excessive amounts of chemical histamine, which results in an allergic reaction
American Cockroach allergy
