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Prescription Medication Use and Phantom Odor Perception Among US Adults

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Chemosensory Perception

Abstract

Introduction

Prescription medication use may be associated with phantom odor perception. We evaluated associations between number of prescription medications and their therapeutic class and phantom odor perception among US adults.

Methods

Data were collected between 2011 and 2014 as part of the National Health and Nutrition Examination Survey (NHANES). A complex sampling design resulted in a nationally representative sample of 7417 adults aged 40 years and older. During an in-home interview, participants were asked whether they had experienced an unpleasant, bad, or burning odor when nothing is there. Prescription medication use was assessed using validation with prescription bottles, when possible.

Results

Almost one quarter (23.3%) of adults uses ≥ 5 prescription medications. Use of five or more prescription medications is associated with 70% greater odds of phantom odor perception (OR 1.69 (1.09, 2.63)). Among adults 60 years and older, antidiabetic medications, antihyperlipidemic agents, and proton pump inhibitors are associated with 74–88% greater odds of report of phantom odor (OR = 1.74 (1.09, 2.77), OR = 1.85 (1.22. 2.80), and OR = 1.88 (1.15, 3.07)), respectively.

Conclusions

Phantom odor perception may be a side effect of antidiabetic or antihyperlipidemic agents. Among people taking proton pump inhibitors, phantom odors may also be a consequence of gastric gas reflux.

Implications

Common prescription medications may be providing an olfactory stimulus.

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Acknowledgements

The authors thank Dr. Debara Tucci, National Institute for Deafness and Other Communication Disorders, for helpful comments.

Funding

The National Institute on Deafness and Other Communication Disorders provided support for NHANES chemosensory data collection via Interagency Agreement funding with the National Center for Health Statistics of the Centers for Disease Control and Prevention and the University of Connecticut. Support for the statistical analysis was provided by Social & Scientific Systems, Inc. under Contract No. GS-00F-173CA, Task Order HHSN275201700074U.

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Correspondence to Kathleen E. Bainbridge.

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Conflict of Interest

The authors declare that they have no conflict of interest.

Ethical Approval

Data collection for NHANES is approved by the National Center for Health Statistics (NCHS) Research Ethics Review Board (ERB). Analysis of de-identified data from this national survey is exempt from federal regulaations for the protection of human research participants. All analyses were performed on publicly available data.

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All participants provided informed consent.

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The views expressed in this report represent those of the authors and do not necessarily represent the agencies or institutions for which they work.

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Bainbridge, K.E., Byrd-Clark, D. Prescription Medication Use and Phantom Odor Perception Among US Adults. Chem. Percept. 13, 152–158 (2020). https://doi.org/10.1007/s12078-019-09276-6

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  • DOI: https://doi.org/10.1007/s12078-019-09276-6

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