Taste Loss After COVID-19: Causes and Recovery - Internal Medicine

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Loss of taste after COVID-19?


A month ago, I had COVID-19 which caused me to lose my sense of taste.
On January 1st, my taste suddenly returned, but the next day it diminished again.
What could be the reason for this? Will it gradually recover? (I have a habit of smoking.)

Mr. He, 10~19 year old female. Ask Date: 2023/01/02

Dr. Xie Rongyuan reply Internal Medicine


Hello: Among patients infected with COVID-19, approximately 90% will fully recover from taste abnormalities, but about 10% may experience prolonged taste disturbances or permanent loss of taste.
Thank you for your message!

Reply Date: 2023/01/02

More Info


Loss of taste, or ageusia, is a common symptom associated with COVID-19, and it can be quite distressing for those who experience it. The phenomenon of taste loss in COVID-19 patients is primarily attributed to the virus's impact on the olfactory system, which is closely linked to our sense of taste. The SARS-CoV-2 virus can affect the cells in the nasal cavity that are responsible for detecting smells, leading to a diminished ability to taste.

In your case, it seems that you experienced a temporary recovery of taste on January 1st, only to find that it diminished again shortly after. This fluctuation in taste perception is not uncommon among COVID-19 survivors. Research indicates that while many individuals regain their sense of taste within a few weeks, others may experience a more prolonged recovery period. In fact, studies suggest that approximately 90% of patients will eventually regain their sense of taste, but about 10% may face long-term alterations or even permanent loss.

Several factors can influence the recovery of taste after COVID-19. One significant factor is the severity of the initial infection. Those who experienced milder symptoms may find that their taste returns more quickly than those with more severe cases. Additionally, individual differences such as age, overall health, and pre-existing conditions can also play a role in recovery timelines.

Your smoking habit may also contribute to the complexity of your recovery. Smoking is known to affect taste and smell, and it can exacerbate respiratory issues, potentially prolonging the recovery process after a viral infection. If you are a smoker, it might be beneficial to consider quitting or reducing your smoking, as this could improve your overall health and potentially aid in the recovery of your taste and smell.

As for the question of whether your taste will gradually return, it is indeed possible. Many patients report that their taste perception fluctuates during the recovery process, with periods of improvement followed by temporary setbacks. This can be frustrating, but it is often part of the healing journey. Engaging in practices that stimulate your taste buds, such as trying different flavors and textures in your food, may help encourage recovery.

In conclusion, while the loss of taste after COVID-19 can be concerning, it is important to remain hopeful. Many individuals do recover their sense of taste over time, and fluctuations are a normal part of the process. If your symptoms persist or worsen, it may be wise to consult with a healthcare professional who can provide personalized guidance and support. Additionally, considering lifestyle changes, such as quitting smoking, could further enhance your recovery and overall well-being.

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