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Maize flour-induced rhinitis.

Franco Borghesan1, Nestore Borghesan

  • 1Allergy outpatient clinic, Padova, Italia.

European Annals of Allergy and Clinical Immunology
|November 16, 2005
PubMed
Summary
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Food allergy can trigger persistent allergic rhinitis, even years after initial symptoms. This case highlights maize (corn) flour as a rare cause of adult-onset allergic rhinitis.

Area of Science:

  • Allergology
  • Immunology
  • Otorhinolaryngology

Background:

  • Allergic rhinitis is commonly associated with environmental allergens.
  • Food allergies typically manifest with gastrointestinal or dermatological symptoms.
  • The link between food allergy and persistent rhinitis is infrequently documented.

Observation:

  • A patient developed non-occupational persistent rhinitis in adulthood.
  • Rhinitis symptoms were eventually linked to the ingestion of maize (corn) flour.
  • Typical food allergy reactions appeared 15 years after rhinitis onset.

Findings:

  • Maize (corn) flour can be a trigger for adult-onset allergic rhinitis.
  • A significant delay between rhinitis onset and overt food allergy symptoms is possible.

Related Experiment Videos

  • Persistent rhinitis may be an early, isolated manifestation of a developing food allergy.

    • Implications:

    • Clinicians should consider food allergy in persistent adult-onset rhinitis cases.
    • Delayed diagnosis of food allergy is possible, impacting patient management.
    • Further research is needed to understand the mechanisms linking food allergy and rhinitis.