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Food allergies and sensitivities.

Rosemary Hallett1, Suzanne S Teuber

  • 1Department of Internal Medicine, Division of Rheumatology, Allergy and Clinical Immunology, University of California School of Medicine, Davis, California 95661, USA. rlhallett@ucdavis.edu

Nutrition in Clinical Care : an Official Publication of Tufts University
|December 31, 2004
PubMed
Summary

Food allergy prevalence is rising, with reactions involving IgE or cells, often affecting skin or gut. Current management focuses on avoidance, but research into mechanisms may lead to future treatments.

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Area of Science:

  • Immunology
  • Allergology
  • Gastroenterology

Background:

  • Increasing prevalence of food allergies globally.
  • Understanding of food allergy mechanisms is advancing.
  • Reactions can be IgE-mediated, cell-mediated, or mixed, impacting skin and gastrointestinal systems.

Purpose of the Study:

  • To review the current understanding of food allergy mechanisms.
  • To discuss diagnostic approaches for suspected food allergies.
  • To highlight current management strategies and future treatment directions.

Main Methods:

  • Review of existing literature on food allergy.
  • Discussion of diagnostic tests including skin prick tests and specific IgE blood tests.
  • Explanation of food challenges for confirmation.

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Main Results:

  • Common food allergens identified despite dietary variety.
  • Diagnostic methods for IgE-mediated reactions outlined.
  • Current treatment relies on strict avoidance and emergency preparedness.

Conclusions:

  • Food allergy is a growing concern with complex underlying mechanisms.
  • Accurate diagnosis involves specific testing and challenges.
  • Future treatments depend on a deeper understanding of disease pathways.