2024-01-18 03:06:00
And blood test for allergies can save us from a good scare, especially if at any time you have manifested symptoms such as itching, redness or watering in the eyes, sneezing, nasal congestion or skin rash. If you took this test, find out how to read an allergy test.
And blood test for allergies It is a test that is responsible for looking for antibodies called immunoglobulin E (IgE) in the blood, which are proteins that the immune system produces in response to certain harmful substances to protect the body from viruses or bacteria.
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What are the types of allergy tests?
There are several types of tests to detect allergies; Some of the most common are the following:
- Skin tests: Small amounts of allergens are applied to the skin and watched to see if an allergic reaction develops, such as in patch tests or prick tests.
- Blood tests: A blood test is performed to measure the levels of allergen-specific IgE antibodies.
In provocation tests, the suspected allergen in a controlled medical environment to observe and evaluate the allergic reactions.
According to information from the Cleveland Clinic Medical Instituteregarding the tests of blood test for allergiesthere are two types: the total IgE testwhich measures the total amount of IgE in the blood, and the specific IgE testwhich is responsible for measuring IgE in the blood in response to certain specific allergens.
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When should I get a blood test for allergies?
If you have experienced symptoms of allergic rhinitis, anaphylaxis or difficulty breathing, as well as contact dermatitiswhich could develop any of the following warning symptoms:
- Nasal congestion
- Frequent sneezing
- Itchy eyes
- excessive tearing
- Tos
- Hoarseness
- Skin itch
- Rashes
- Swelling in the face or parts of the body
- Difficulty breathing
- Wheezing
- Headache
- Fatigue
- General discomfort
Given these symptoms, it is best to perform a blood test for allergies and in this way you discover what you could potentially be allergic to before you get a big scare.
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It is also advisable to perform it if your doctor considers it necessary to identify possible triggering substances or to follow appropriate treatment. In any case, consult with a health professional to determine when is the right time to perform this type of analysis.
How do I read my allergy blood test results?
We all have certain IgE level in the blood, but elevated levels could indicate a type of allergy. To read the results of your blood test for allergiesyou should pay attention to the following key points:
- Total IgE: Checks if total IgE levels are within the reference range. Elevated levels may indicate a greater susceptibility to allergies.
- Allergen-specific testing: Looks for the presence of specific IgE for specific allergens, such as pollen, dust mites, food, or insect venom. Positive results indicate sensitivity to these allergens.
If the results indicate that you may have an allergy, the specialist will provide you with a treatment to control allergy; This will depend on how serious the symptoms you develop are.
Now that you know how to read allergy blood test results and when you should do it, pay close attention to your body. Avoid a good scare!
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