- The sudden loss of smell and taste is one of the strangest COVID-19 symptoms that infects people.
- Most people recover their senses within a few weeks or months, but there are COVID-19 survivors who may return longer to regain their lost senses.
- Now, a new study suggests that some people may regain their sense of smell or taste after surviving COVID-19.
The clinical presentation of COVID-19 is not sufficient for a definitive diagnosis, and this is because the vast majority of symptoms that can be caused by an infection are not unique. But there is one sign that doctors spotted early in the pandemic that is likely to be associated with COVID-19 more than anything else. This is the sudden loss of smell and taste that many COVID-19 patients have experienced. The phenomenon has been studied for the past few months and although it is indeed bizarre, we now have an explanation for why it occurs. The virus infects cells in the nose, leading to local inflammation that can interfere with olfactory neurons. It can again make the sense of taste disappear at the same time.
Most people will recover the two senses within a few weeks or a few months after the infection is clear. It may require retraining, but the senses eventually return. However, there are some COVID-19 patients who will have to wait much longer to regain their sense of smell and taste – and some of them will never get such senses again.
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A recent study showed that most people who lost their sense of smell and taste developed mild COVID-19 cases. This appears to be a good thing, as the symptom can serve as a kind of marker of COVID-19 severity.
Then, another study published in the Journal of Internal Medicine (JIM) showed that many of the volunteers took a few months before the senses returned. About 15.3% of the patients did not recover their senses after 60 days. The percentage dropped to 4.7% at the six-month mark, but it leaves people who could not smell or taste food long after recovering from COVID-19.
Per Yahoo Live, an April study showed that many COVID-19 patients still experienced these symptoms long after other symptoms had disappeared. The European archives for oto-rhino laryngology found that only about a quarter of participants recovered their sentences within two weeks.
Dr. Jessica Grayson explained the urgent symptoms at the University of Alabama in Birmingham in August, saying hope is not lost on those who have not yet been able to taste or smell it. “Patients with post-viral odor loss have about a 60 to 80 percent chance of regaining their olfactory function in one year,” she said. But cognitive and neurological expert Leo Newhouse addressed the same Harvard Health mid-August. “Some of us may never get our sense of smell or taste again,” Newhouse wrote, citing the same chances of recovery, one year after the illness.
It can be a long and annoying wait. The Yahoo report notes that a 2016 study in Chemical senses found that ‘patients with odor dysfunction have symptoms of depression that worsen with the severe odor loss.’
A significant percentage of COVID-19 survivors experience various symptoms months after infection. ‘A ABC News reported a detailed case a few days ago. A survivor who contracted the disease more than nine months ago said she had not yet fully recovered her smell and taste, and that she was still experiencing brain fog. It is unclear from these studies and reports whether COVID-19 survivors who cannot smell or taste after more than six months have other long COVID symptoms.
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Chris Smith started writing about a hobby about gadgets, and before he knew it, he shared his views on technological things with readers around the world. If he does not write about equipment, he can not stay in it, even though he is desperately trying. But that’s not necessarily a bad thing.