Why Patients With COVID-19 Lose Their Sense of Smell

Anosmia or smell blindness, loss of the ability to smell, one of the possible symptoms of covid-19, infectious disease caused by corona virus. Woman Trying to Sense Smell of a Candle

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By Adam Pope

There are still many unknowns regarding COVID-19, but one common occurrence among those infected is smell loss. There are many different events that can trigger smell loss, and Dr. Jessica Grayson provides insight as to why this might be happening.

Hyposmia or anosmia, a decreased or complete loss of smell, has been widely reported in patients with COVID-19, often as a symptom noticed early on prior to other symptoms or even as the only symptom present in an otherwise asymptomatic patient.

“There have been a significant number of people who have been treated or tested at UAB who have had loss of smell in the setting of their COVID diagnosis,” Grayson said. “However, given the isolation protocols, most of these have only been diagnosed subjectively.”

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