![]() ![]() The researchers found 30 of them developed nosebleeds and attributed the high prevalence to the use of oxygen. In one case study, researchers examined the frequency of nosebleed in a group of 104 people admitted to a hospital with confirmed COVID-19. People with COVID-19 who receive oxygen may be at an increased risk of developing nosebleeds due to increased nose dryness and tissue injury from the cannula. A July 2020 study found that in a group of 20 people with COVID-19 who needed to see an ear, nose, throat specialist, 30 percent (6 people) had nosebleeds.An August 2020 study found 11 percent of a group of 114 people with COVID-19 had nosebleeds.Several other small studies have also found that nosebleeds are more common in people with COVID-19. The researchers concluded that nosebleeds might be a symptom of coronavirus infection, but larger studies are needed to confirm this. The difference between the two groups was found to be statistically significant. In a control group of 40 people without nosebleeds, only 2.5 percent tested positive. Of the 40 people who were tested, 15 percent tested positive for the coronavirus. Each person who arrived at the hospital was tested with a COVID-19 nasal swab. In an August 2020 study, researchers sought to evaluate the frequency of coronavirus infection among people visiting a hospital with nosebleeds. It’s been proposed that SARS-CoV-2 may cause inflammation in your nose that could increase your chances of developing a nosebleed.Ī few small studies have found evidence that people with COVID-19 experience nosebleeds more frequently than people without COVID-19, but more research is needed to fully understand the link. The tissues that line your nose have the highest concentration of ACE-2 of any part of your respiratory tract. ACE-2 is found in many parts of your body, including the cells that line your: Researchers have established that the virus that causes COVID-19 can enter cells through a receptor called angiotensin-converting enzyme-2 (ACE-2). ![]() ![]() Anything that dries out the tissues in your nose or causes injury can potentially lead to a nosebleed. Nosebleeds are common and have a wide range of potential causes. ![]()
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