Managing suspected food hypersensitivities is a substantial part of modern dietetic practice, amid conflicting patient perceptions, commercial pseudoscientific testing and diverse clinical guidelines. Dietitians must navigate differences between national and international guidance, use molecular and cellular diagnostics appropriately, and deliver safe, evidence-based interventions across the food hypersensitivity spectrum.

  1. National Institute for Health and Care Excellence (2011). Food allergy in under 19s: assessment and diagnosis. NICE guideline CG116. Available at: nice.org.uk/guidance/cg116
  2. National Institute for Health and Care Excellence (2018). Surveillance review of CG116 (food allergy in under 19s: assessment and diagnosis). Available at: nice.org.uk/guidance/cg116/resources
  3. Santos AF, Riggioni C, Agache I et al (2023). EAACI guidelines on the diagnosis of IgE-mediated food allergy. Allergy 78(12):3057-3076. org/10.1111/all.15902
  4. Santos AF, Riggioni C, Agache I et al (2025). EAACI guidelines on the management of IgE-mediated food allergy. Allergy 80(1):14-36. org/10.1111/all.16345
  5. British Dietetic Association (2024). Food allergy and food intolerance (Food Fact Sheet). Available at: bda.uk.com/resource/food-allergy-food-intolerance.html
  6. Skypala IJ, Hunter H, Krishna MT et al (2022). BSACI guideline for the diagnosis and management of pollen food syndrome in the UK. Clin Exp Allergy 52(9):1018-1034. org/10.1111/cea.14208
  7. Sampson HA, Arasi S, Bahnson HT et al (2024). AAAAI–EAACI PRACTALL: standardizing oral food challenges — 2024 update. Pediatr Allergy Immunol 35(11):e14276. org/10.1111/pai.14276
  8. Vale SL, Netting MJ, Hornung CJ et al (2026). ASCIA guideline: infant feeding for food allergy prevention. Clin Exp Allergy 56(4):319-329. org/10.1111/cea.70217
  9. Food Standards Agency (2021). Allergen labelling changes for prepacked for direct sale (PPDS) food (‘Natasha’s Law’). Available at: food.gov.uk/allergen-labelling-changes-for-prepacked-for-direct-sale-ppds-food
  10. Ewan PW, Brathwaite N, Leech SC et al (2016). BSACI guideline: prescribing an adrenaline auto-injector. Clin Exp Allergy 46(10):1258-1280. Available (PDF)
  11. Medicines and Healthcare products Regulatory Agency (2025). MHRA approves adrenaline nasal spray — the first needle-free emergency treatment for anaphylaxis in the UK. Press release, 18 July 2025. Available at: gov.uk/government/news/mhra-approves-adrenaline-nasal-spray-the-first-needle-free-emergency-treatment-for-anaphylaxis-in-the-uk
  12. British Dietetic Association (2024). Food allergy and food intolerance testing (Food Fact Sheet). Available at: bda.uk.com/resource/food-allergy-intolerance-testing.html
  13. McKenzie YA, Bowyer RK, Leach H et al (2016). British Dietetic Association systematic review and evidence-based practice guidelines for the dietary management of irritable bowel syndrome in adults (2016 update). J Hum Nutr Diet 29(5):549-575. org/10.1111/jhn.12385
  14. Cornelius S (2024). Managing allergies: why food allergens can make it challenging to meet nutritional requirements. British Dietetic Association. Available at: bda.uk.com/resource/managing-allergies.html

About the Author: Barira Saad, RD

Barira is a Paediatric Dietitian with a strong interest in technology, specialising in the integration of clinical nutrition with digital innovation. Her hobbies include coding and AI

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Managing suspected food hypersensitivities is a substantial part of modern dietetic practice, amid conflicting patient perceptions, commercial pseudoscientific testing and diverse clinical guidelines. Dietitians must navigate differences between national and international guidance, use molecular and cellular diagnostics appropriately, and deliver safe, evidence-based interventions across the food hypersensitivity spectrum.

  1. National Institute for Health and Care Excellence (2011). Food allergy in under 19s: assessment and diagnosis. NICE guideline CG116. Available at: nice.org.uk/guidance/cg116
  2. National Institute for Health and Care Excellence (2018). Surveillance review of CG116 (food allergy in under 19s: assessment and diagnosis). Available at: nice.org.uk/guidance/cg116/resources
  3. Santos AF, Riggioni C, Agache I et al (2023). EAACI guidelines on the diagnosis of IgE-mediated food allergy. Allergy 78(12):3057-3076. org/10.1111/all.15902
  4. Santos AF, Riggioni C, Agache I et al (2025). EAACI guidelines on the management of IgE-mediated food allergy. Allergy 80(1):14-36. org/10.1111/all.16345
  5. British Dietetic Association (2024). Food allergy and food intolerance (Food Fact Sheet). Available at: bda.uk.com/resource/food-allergy-food-intolerance.html
  6. Skypala IJ, Hunter H, Krishna MT et al (2022). BSACI guideline for the diagnosis and management of pollen food syndrome in the UK. Clin Exp Allergy 52(9):1018-1034. org/10.1111/cea.14208
  7. Sampson HA, Arasi S, Bahnson HT et al (2024). AAAAI–EAACI PRACTALL: standardizing oral food challenges — 2024 update. Pediatr Allergy Immunol 35(11):e14276. org/10.1111/pai.14276
  8. Vale SL, Netting MJ, Hornung CJ et al (2026). ASCIA guideline: infant feeding for food allergy prevention. Clin Exp Allergy 56(4):319-329. org/10.1111/cea.70217
  9. Food Standards Agency (2021). Allergen labelling changes for prepacked for direct sale (PPDS) food (‘Natasha’s Law’). Available at: food.gov.uk/allergen-labelling-changes-for-prepacked-for-direct-sale-ppds-food
  10. Ewan PW, Brathwaite N, Leech SC et al (2016). BSACI guideline: prescribing an adrenaline auto-injector. Clin Exp Allergy 46(10):1258-1280. Available (PDF)
  11. Medicines and Healthcare products Regulatory Agency (2025). MHRA approves adrenaline nasal spray — the first needle-free emergency treatment for anaphylaxis in the UK. Press release, 18 July 2025. Available at: gov.uk/government/news/mhra-approves-adrenaline-nasal-spray-the-first-needle-free-emergency-treatment-for-anaphylaxis-in-the-uk
  12. British Dietetic Association (2024). Food allergy and food intolerance testing (Food Fact Sheet). Available at: bda.uk.com/resource/food-allergy-intolerance-testing.html
  13. McKenzie YA, Bowyer RK, Leach H et al (2016). British Dietetic Association systematic review and evidence-based practice guidelines for the dietary management of irritable bowel syndrome in adults (2016 update). J Hum Nutr Diet 29(5):549-575. org/10.1111/jhn.12385
  14. Cornelius S (2024). Managing allergies: why food allergens can make it challenging to meet nutritional requirements. British Dietetic Association. Available at: bda.uk.com/resource/managing-allergies.html

About the Author: Barira Saad, RD

Barira is a Paediatric Dietitian with a strong interest in technology, specialising in the integration of clinical nutrition with digital innovation. Her hobbies include coding and AI

Leave A Comment

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