Thinking that you have a food allergy? To confirm you should consider your health care provider.
Before performing a food allergy test your doctor will diagnose your disease.
He may consider a history of your reactions to try and finds if you have one. The more details you can give the better the results you will get.
Here are some of the questions that you have to prepare before going to take a food allergy test.
- How much time it will take to appear a symptom after you ate the food?
- Have you taken any treatment for allergy and did it work?
- Is your food properly cooked or not?
- How frequently you get such type of reactions?
- How much of the food do you eat at this time?
How to prepare for the food allergy test?
- Avoid taking any medications before going to the allergy test because they might affect the result. You should not take antihistamines 3 to 7 hours before the test.
- If you have taken any medications, herbs, or supplements, surely you need to inform about them to your health care provider.
- Don’t stop taking your regular medications without consulting your doctor.
What type of food allergy tests will be done?
You may be undergone to one or more of the following tests.
Blood tests are not performed as frequently as other tests, but they can be useful in some cases. This food allergy test helps to measure the amount of IgE antibody in your blood. Your body makes this type of antibodies while fighting against allergy causing substances in food.
The sample blood that is taken to perform food allergy test can be tested with specific foods to determine whether there can be any IgE antibodies to those foods. the test result will confirm whether you are making antibodies to those foods and thus whether you are allergic to these foods.
The advantage with this food allergy test is that this test can be used to confirm a diagnosis for people with severe food allergies. It is also useful if you have extensive eczema(Know more about Eczema).
Under the administration of your doctor, you need to remove the suspected allergy food from your diet and replace it with another food. If there are not any allergic symptoms, a diagnosis can usually be made.
Your health care provider will suggest you that you need to stop suspected foods for a week or two and then add the foods back into the diet one at a time.
This food allergy test can help connect symptoms to specific foods. during this test, you need to maintain a record of the foods you eat and any food allergy symptoms you have. If you experience any severe symptoms to certain foods then this method can not be used.
Skin prick test:
This is a most common food allergy test. In this test, an extract of the suspected food is put on a small patch of skin. Usually it can be tested on your forearms or your back. If redness or swelling develops around the scratch, then the test is positive for that food allergy.
This food allergy test may not be safe if you have had severe allergic reactions in the past.