Just fyi, but its not a test for IBS because IBS isn't caused by a food allergy. Syl is right ask a certified allergist.
UNORTHODOX TECHNIQUES FOR THE DIAGNOSIS AND TREATMENT OF ALLERGY, ASTHMA AND IMMUNE DISORDERS
Inappropriate use of Conventional Testing
Adverse consequences may also arise if conventional laboratory tests are used in inappropriate clinical situations, or where results are presented in a manner amenable to misinterpretation.
Food specific IgG, IgG4
Use: Diagnosis of food sensitivity / allergy.
Method: Antibodies to food are measured using standard laboratory techniques.
Evidence: Level II
Comment: IgG antibodies to food are commonly detectable in healthy adult patients and children, independent of the presence of absence of food-related symptoms. There is no credible evidence that measuring IgG antibodies is useful for diagnosing food allergy or intolerance, nor that IgG antibodies cause symptoms. In fact, IgG antibodies reflect exposure to allergen but not the presence of disease. The exception is that gliadin IgG antibodies are sometimes useful in monitoring adherence to a gluten-free diet patients with histologically confirmed coeliac disease. Otherwise, inappropriate use of food allergy testing (or misinterpretation of results) in patients with inhalant allergy, for example, may lead to inappropriate and unnecessary dietary restrictions, with particular nutritional implications in children. Despite studies showing the uselessness of this technique, it continues to be promoted in the community, even for diagnosing disorders for which no evidence of immune system involvement exists.
http://www.allergy.org.au/content/view/322/271/
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My website on IBS is www.ibshealth.com
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Re: tests for IBS
