A positive SPT is reliable about 50 percent of the time, but a negative SPT result is about 95 percent predictive. By itself, the positive result just indicates that your body has made allergic antibodies, called IgE, to a specific food. This is called “sensitization,” and by itself is not enough for a diagnosis.
Can food allergy tests be wrong?
About 50-60 percent of all blood tests and skin prick tests will yield a “false positive” result. This means that the test shows positive even though you are not really allergic to the food being tested. These results occur for two reasons: The test may be measuring your response to the undigested food proteins.
What is the most effective food allergy test?
The food intolerance assessment offered by Check My Body Health is boasted as the most comprehensive food sensitivity test in the United States. The company uses the latest technology to check your body for over 970 food and non-food sensitivities.
Are allergy tests accurate?
Allergy tests, without a doctor's exam, usually are not reliable. Many drugstores and supermarkets offer free screenings. And you can even buy kits to test for allergies yourself at home. But the results of these tests may be misleading.
Are allergy tests 100 accurate?
It is important to understand that allergy testing is not 100% accurate and can sometimes indicate a false positive or false negative. You may also show an allergic response to an item during testing that does not necessarily bother you in everyday life.
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