Real-World Outcomes of 3-Month Olfactory Training on Post-COVID-19 Parosmia.

ABSTRACT:

Introduction

Post-COVID-19 parosmia can be protracted and psychologically distressing. The effect of olfactory training (OT) on parosmia is still unclear. The primary objective was to investigate the effect of 3 months of OT on COVID-19-related parosmia. The secondary objectives were to study whether improvement in olfactory quantitative function and compliance to OT influenced improvement in parosmia.

Methods

This prospective cohort study was conducted from October 5, 2022, to February 7, 2023, at a tertiary smell and taste clinic. Patients with persistent post-COVID-19 parosmia were instructed to perform OT twice daily for 3 months. Improvement in parosmia was measured using self-rated intensity and pleasantness scales, a structured parosmia questionnaire, and the Sniffin'

SUBMITTER: Xu X 

PROVIDER: S-EPMC12705089 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature