Covid: Smell training recommended for lost sense of smell

Covid: Smell training recommended for lost sense of smell

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For several months, sniffing familiar items such as garlic, oranges, and mint twice a day is recommended

Researchers are calling for people struggling to regain their sense of smell after falling ill with Covid-19 to undergo "smell training" rather than being treated with steroids.

This is a months-long process that involves inhaling various odors to retrain the brain to recognize distinct smells.

Smell training, according to a panel of worldwide specialists, is inexpensive and simple.

It also has no potential negative effects, unlike steroids.

A coronavirus infection is characterized by a loss of smell, as well as a fever and a prolonged cough.

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After the disease has passed, most people’s sense of smell returns pretty fast.

But, one out of every five people say they’re still having problems eight weeks after becoming unwell.

Doctors have given a course of medications known as corticosteroids, which reduce inflammation in the body and are currently used to treat asthma and other illnesses.

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But, Prof Carl Philpott of the University of East Anglia’s Norwich Medical School, who was part of the team examining the present indication, said there was no evidence that corticosteroids would help with scent loss.

&;And because they have well-known possible harmful side effects, we advise against using them as a treatment for post-viral scent loss,&; he added.


Fluid retention, elevated blood pressure, and mood changes and behavior issues are among side effects of steroids.

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Instead, in a paper published in the journal International Forum of Allergy & Rhinology, the researchers suggest "smell training".

This entails sniffing four objects with distinct, clearly recognized, and familiar smells twice a day for several months – for example, oranges, mint, garlic, or coffee.

According to Prof Philpott, 90% of people regain their sense of smell after six months, according to study.

If it doesn’t come back, he claims that "smell training" can help retrain the brain’s smell pathways to recognize distinct odors.

"It tries to aid recovery based on neuroplasticity, which is the brain’s ability to reorganize itself in response to a change or injury," he explained.

Issues that are related

  • Pandemic of the Coronavirus

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