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Latent allergy or a low exposition?

J Mohapl1, S Bohác

  • 1Department of Microbiology, Medical Faculty of the Palacký University, Olomouc, Czechoslovakia.

Acta Universitatis Palackianae Olomucensis Facultatis Medicae
|January 1, 1990
PubMed
Summary

Patients with pollenosis often show positive allergy tests outside their stated symptom seasons. This suggests latent allergies triggered by cross-reactive pollens, rather than low exposure.

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Pollenosis.

Acta Universitatis Palackianae Olomucensis Facultatis Medicae·1990

Area of Science:

  • Allergy and Immunology
  • Environmental Health

Background:

  • Pollenosis, or hay fever, affects many individuals seasonally.
  • Accurate diagnosis of pollen allergy relies on correlating patient history with allergen exposure.

Purpose of the Study:

  • To investigate discrepancies between patient-reported allergy seasons and positive skin-prick test results.
  • To explore the concept of latent allergies in pollenosis patients.

Main Methods:

  • 154 patients with pollenosis underwent skin-prick testing.
  • Patient-reported allergy seasons were compared with established pollen calendars and test results.

Main Results:

  • Many patients had positive skin-prick tests for allergens whose pollen seasons did not align with their reported allergy periods.
  • This suggests positive reactions may occur due to cross-reactivity with other pollens or underlying allergic dispositions.

Conclusions:

  • Positive skin-prick tests in pollenosis patients may indicate latent allergies.
  • These latent allergies could be triggered by exposure to cross-reactive pollens, not necessarily the primary allergen's season.

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