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The general consensus by the medical profession is that the Alcat test is unreliable.

The BBC reviewed a number of allergy tests. Here is what they had to say about the Alcat test

"Leucocytotoxic tests - first advocated in 1956, newer versions include Nutron and ALCAT tests, which measure changes in the blood cell size after the introduction of various food allergens (in a test tube). These tests are unreliable for diagnosing allergies or intolerances according to the European Academy for Allergology and Clinical Immunology"

Here is an article in the Journal of Investigative Allergology and Clinical Immunology on " Unproven techniques in allergy diagnosis ". About the Alcat test it says

"In summary, the ALCAT test system represents a new edition of some old claims of "cytotoxic testing", claims which up to now have not proven to be scientifically established. The ALCAT test system is for the time being relying on unproven statements that lack scientific and clinical proofs of efficacy [2]. It should in no case be recognized by social security and medical reimbursement instances."

The Allergy Society of South Africa prepared a position statement that summarized the international findings about the Alcat test and concluded

"Consensus statements released by Allergy Societies throughout the world (including the representative body of all European allergy societies, The European Academy of Allergy and Immunology (EAACI)) do not recommend the use of this test [Alcat] in the evaluation of acute or delayed allergic or intolerance reactions."

Reference
W�thrich, B., 2005: Unproven techniques in allergy diagnosis. Journal of Investigative Allergology and Clinical Immunology, 15, 86-90.

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