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Basophil Activation Test for Allergy Diagnosis
07:22

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Published on: May 31, 2021

Diagnostic tests for food allergy.

I F Gerez1, L P C Shek, H H Chng

  • 1Department of Paediatrics, National University Hospital, and Yong Loo Lin School of Medicine, National University of Singapore, 5 Lower Kent Ridge Road, Singapore 119074.

Singapore Medical Journal
|March 5, 2010
PubMed
Summary
This summary is machine-generated.

Diagnosing food allergy relies on medical history and physical exams, with standard tests like skin prick tests and oral food challenges as confirmation. Unproven methods lack scientific backing and should not be used for food allergy diagnosis.

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Area of Science:

  • Allergy and Immunology
  • Diagnostic Medicine

Background:

  • Food allergy diagnosis traditionally relies on clinical evaluation.
  • Established diagnostic methods include skin prick testing, in-vitro testing for specific IgE antibodies, and oral food challenges.

Purpose of the Study:

  • To evaluate the diagnostic utility of standard and unconventional methods for food allergy.
  • To emphasize the importance of evidence-based approaches in food allergy diagnosis.

Main Methods:

  • Review of current diagnostic standards in food allergy.
  • Assessment of the scientific validity of unconventional diagnostic tests.

Main Results:

  • Oral food challenges are considered the gold standard for diagnosing food allergy.
  • Unconventional methods such as food specific IgG, antigen leucocyte antibody, and provocation tests lack scientific rationale, standardization, and reproducibility.
  • There is a lack of well-designed studies supporting the utility of these unconventional tests.

Conclusions:

  • Standard diagnostic procedures, including medical history, physical examination, and validated tests, are crucial for accurate food allergy diagnosis.
  • Unconventional diagnostic methods for food allergy are not supported by scientific evidence and can lead to incorrect diagnoses and treatments.
  • Clinicians should rely on evidence-based methods and avoid unvalidated tests in the evaluation of suspected food allergies.