Sep 30, 2022 10:00 AM
Author:
University of Utah Health Communications
Información en español
Being able to taste and smell are essential parts of enjoying everyday life. But for some COVID-19 long haulers, these senses can become extremely unpleasant. Some people experience a change to their taste and smell following COVID-19 infection, also known as parosmia (abnormal sense of smell), hyposmia (decreased sense of smell), and anosmia (loss of sense of smell). The good news is it’s usually only temporary—in most cases. However, no matter how long these conditions last, it can be very disruptive.
Kristine Smith, MD, a rhinologist and assistant professor in the Division of Otolaryngology (Head and Neck Surgery) at University of Utah Health, answers eight questions about parosmia.
How is parosmia associated with COVID-19?
While it’s not known exactly what triggers parosmia, smell disruption can be caused by viral illnesses such as the common cold or influenza. Head trauma, medications, and neurologic diseases such as Parkinson’s and other neurodegenerative diseases can also cause parosmia. During a viral illness, the nerve receptors in your nose can be damaged and change your perception of smell. It’s believed this same phenomenon occurs during COVID-19 infection.
How are COVID-19 long haulers experiencing parosmia?
A loss of taste and smell is a common symptom of COVID-19 infection. In the recovery phase of COVID-19, a patient normally regains their senses back. However, some people experience a change to their sense of smell about three to four months following infection. People report certain things—like food or …