An allergy A blood test determines the blood component of a drug called Immunoglobulin E (IgE) IgE is an antibody that your body produces, which is why it is called a “blood test. If you have allergies, you may have more IgE than normal in your blood.
Allergy is a popular long-term disease that affects the immune system. Your immune system produces antibodies to fight bacteria, microbes, and other causes that are likely to make you sick. In allergies, the immune system sees innocent substances such as pollen or peanuts as a threat. To fight the “threat,” the immune system produces IgE antibodies. That’s you. allergy symptoms.
Innocent preparations that can cause allergies are called allergens. Allergens that occur together include
- Pollen
- Dust
- Shape
- Animal dinner
- Certain foods such as nuts and shellfish.
- Certain medications, such as penicillin.
Allergy symptoms depend on the type of allergy of allergy that you have. They can range from itching and sneezing to asthma or a life-threatening condition called anaphylactic shock.
Other names: IgE allergy Tests, quantitative, immunoglobulin E, joint IgE, specific IgE, RAST, CAP, ELISA tests.
What are those used for?
Blood tests for allergies are used to find out if you have an allergy . There are two types combined of allergy blood tests:
- The joint IgE test is used to measure the total number of IgE antibodies in the blood.
- The specific IgE test determines how much IgE the body creates in response to one. allergen There are two types of IgE tests. Each has its own individual test. allergen It could be the cause of your allergies.
Why do I need an allergy blood test?
Your care provider may be able to order allergy test if you experience symptoms of an allergy . These include:
- Running or choking your nose
- Sneezing
- Itchy, watery eyes
- Narcotic (itchy, reddish spots on skin)
- Diarrhea
- Vomiting or diarrhea
- Shortness of breath
- Cough
- creaky breathing
Your physician can order the following an allergy Blood tests if you do not allergy Skin test. In a skin test, allergens are applied to the skin. You may not be able to undergo skin testing if you
- Have certain skin conditions
- Used certain medications that are likely to affect the test results
- Perhaps something serious allergic Reactions to allergens used in skin testing.
In certain cases, suppliers can order allergy blood tests for young children, as skin testing can be very uncomfortable for them.
What happens during an allergy blood test?
The health worker takes blood from a vein in the arm with the help of a small needle. After the needle is inserted, a small amount of blood is collected in a tube or bottle. As the needle enters and exits, a small burning sensation is felt. This usually takes no more than 5 minutes.
Do I need anything to prepare for the test?
No special preparation is required an allergy blood test.
Were there any risks associated with the test?
Not enough risk associated with an allergy Blood test. There will be slight pain and bruising in the area where the needle is inserted, but most signs disappear quickly.
What do the results mean?
The total result of the IgE test, considered the highest, means that you may have a specific type of IgE. of allergy However, a joint IgE test result may mean that you have allergic or very serious. allergy may be.
Certain IgE test results that are considered high mean that you are be allergic to the allergen tested. However, the number of IgE measured does not adequately predict how serious you are. allergy may be.
If the results of similar tests indicate that an IGE test is likely, you can an allergy Your supplier may refer you to a an allergy recommend you to a specialist or to the healing process. Your healing project will depend on what you are allergic How serious your symptoms are.
If you are at risk for anaphylactic shock, you should be very careful to prevent you are allergic fee. You will probably need to wear adrenaline therapy (adrenaline car injector) daily. Anaphylactic shock is more common with allergies to certain foods, medications, insect bites, and latex.
Ask the caregiver if the risk is anaphylactic shock and ask about the test results. allergy treatment plan.
Is there really anything else I should know? an allergy blood test?
Allergy blood tests are not always accurate. Sometimes the results will tell you that you have an allergy. an allergy You don’t actually have it (also called a False Positive). This can occur when there is a small reaction to a medication in a particular food that you may have eaten for the test. It is rare to not have a blood test done. an allergy When this is done (also called a false negative test).
Depending on the circumstances and symptoms of your disease, your doctor may an allergy skin test with an allergy blood test or skin test only.
supplied by MedlinePlus from the State Medical Library.
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