![]() ![]() These symptoms included:Ī new report suggests that neurological symptoms like brain fog after COVID-19 could be due to post-traumatic stress disorder (PTSD). In another study, researchers discovered that out of a group of 60 participants who had recovered from COVID-19, almost 55 percent of them still continued to have neurological symptoms nearly three months after their disease. While some people have reported having brain fog that lingers on for weeks and even months after the respiratory symptoms have disappeared, others have reported experiencing brain fog only for a week to ten days.Ī December 2020 study found that around 28 percent of people continued to have lingering problems with their concentration for more than 100 days after being admitted to the hospital for COVID-19. It is not really clear yet how long COVID-related brain fog tends to last for after the infection clears up. In fact, severe brain-related complications such as seizure, delirium, and inflammation of the brain and the surrounding tissues are also common symptoms observed in critically ill COVID-19 patients. People with serious cases of COVID-19 infection, though, seem to be at a much greater risk of developing neurological symptoms than people who have mild symptoms of the disease. 11Īs of now, though, it is not exactly clear why some people go on to develop brain fog, and others don’t develop it after a COVID-19 infection. However, this estimate was only based on small studies and might not be applicable to a larger population.Īnother recent research report has discovered that neurological symptoms could actually be more common and widespread than previously believed and may occur in over 69 percent of people who have had a severe illness with the COVID-19 infection. Studies are still going on to understand how common brain fog is in people who have had COVID-19 infection.įor example, a recent study showed that around 7.5 to 31 percent of people experience an altered mental state as one of the symptoms of COVID-19 infection. How Common is COVID-19 Brain Fog and How Long Does It Last? (H2) However, there are some other ways also that COVID-19 can indirectly cause brain fog. Inflammation in and around the brain can also contribute to brain fog. There can also be other factors that may contribute to COVID-19 brain fog. ![]() Researchers have also identified certain microstructural changes in the hippocampus and other parts of the brain after the COVID-19 infection, and it is believed that these changes may also contribute to cognitive impairments. Inflammation in the brain disrupts the ability of the neurons to communicate with each other, which is believed to be one of the factors that can contribute to brain fog. ![]() 8Ĭytokines are a type of molecule produced by your immune system and are known to promote inflammation. 7Ī recent January 2021 study found high levels of inflammatory cytokines in the fluid that surrounds the brains of people in the weeks after their COVID-19 infection. 6 Encephalopathy is a general term that is used to refer to disease or damage of the brain. There have been several case studies that have discovered that some people who have had COVID-19 can develop complications like encephalopathy or altered consciousness. The virus is known to be neuro-intensive, meaning it is able to enter your brain tissue as well. Once the coronavirus enters your system, it starts to enter the cells through an enzyme known as the angiotensin-converting enzyme 2 (ACE2) receptor. Respiratory droplets from the infected person are able to enter the body through your mouth, nose, or eyes. The novel coronavirus (SARS-CoV-2) that causes COVID-19 is believed to spread through close contact with someone who already has the infection. ![]() Researchers are still finding out what the potential cause of brain fog is in people who have had COVID-19, and it is believed that both psychological and physiological factors have a role to play. ![]()
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