COVID-19: Post-vaccine Smell and Taste Disorders: Report of 6 Cases

Post-vaccine olfactory and gustatory disorders are very rare and were reported in patients who received influenza vaccines. In this article, we report 6 cases of post-coronavirus disease 2019 (COVID-19) vaccine olfactory and gustatory disorders in patients with negative nasal swabs. Precisely, olfac...

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Bibliographic Details
Published in:Ear, nose, & throat journal nose, & throat journal, 2024-02, Vol.103 (2), p.NP104-NP107
Main Authors: Lechien, Jérôme R., Diallo, Alpha O., Dachy, Bernard, Le Bon, Serge D., Maniaci, Antonino, Vaira, Luigi A., Saussez, Sven
Format: Article
Language:English
Subjects:
Adult
COVID-19 - complications
COVID-19 vaccines
COVID-19 Vaccines - adverse effects
Humans
Olfaction disorders
Olfaction Disorders - chemically induced
Otolaryngology
Recovery (Medical)
Side effects
Taste disorders
Taste Disorders - chemically induced
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Summary:Post-vaccine olfactory and gustatory disorders are very rare and were reported in patients who received influenza vaccines. In this article, we report 6 cases of post-coronavirus disease 2019 (COVID-19) vaccine olfactory and gustatory disorders in patients with negative nasal swabs. Precisely, olfactory and gustatory dysfunctions were reported in 5 and 1 patients, respectively. Sense disorders occurred after the first injection of AstraZeneca (n = 4) or the second injection of Pfizer (n = 2) vaccines. In 4 cases, the olfactory or gustatory disorder was confirmed with psychophysical evaluations. The duration of chemosensory dysfunction ranged from 4 to 42 days. None of the patient reported mid- or long-term olfactory or gustatory disorder. The occurrence of olfactory and gustatory dysfunctions in adults benefiting from COVID-19 vaccines is still rare but has to be known by otolaryngologists.
ISSN:0145-5613
1942-7522
DOI:10.1177/01455613211033125