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Olfaction in migraineurs.

A R Hirsch1

  • 1Smell and Taste Treatment and Research Foundation, Chicago, Illinois 60611.

Headache
|May 1, 1992
PubMed
Summary
This summary is machine-generated.

Migraine patients frequently experience olfactory dysfunction, with 18% showing impaired smell. This suggests a significant link between migraine headaches and olfactory system issues, requiring further investigation and patient screening.

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Area of Science:

  • Neurology
  • Ophthalmology

Background:

  • Olfactory dysfunction is frequently reported in migraine patients.
  • Olfactory stimuli can trigger migraines, and olfactory hallucinations can be migraine auras.

Purpose of the Study:

  • To assess the olfactory abilities of migraineurs.
  • To investigate the association between migraine and olfactory dysfunction.

Main Methods:

  • Sixty-seven consecutive migraine patients underwent Pyridine odor threshold testing.
  • Comparison of olfactory test results with the general population.

Main Results:

  • 18% of migraine patients exhibited hyposmia or anosmia (impaired smell).
  • This prevalence is significantly higher than the 1% observed in the general U.S. population.

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Conclusions:

  • Migraine may be associated with olfactory pathology, potentially bidirectional.
  • Further research is needed to understand the underlying mechanisms.
  • Screening for olfactory loss in headache patients is recommended due to safety risks.