Of those who responded to the follow-up, 65 percent felt like their brain fog symptoms were gradually improving. Researchers followed up with participants by email 4 to 6 months after their initial evaluation. Like the study above, most participants reported that brain fog emerged in the first few months after developing COVID-19 symptoms. Also, 50.5 percent still reported problems with memory.Ī 2021 study asked individuals with brain fog due to long COVID to describe their experience. The likelihood of having these symptoms increased in the first few months after COVID-19 symptoms developed and then began to decrease.Īt the beginning of the 7th month after COVID-19 symptoms developed, 55.5 percent of respondents reported cognitive issues. Researchers found that 88 percent of respondents had problems with cognition or memory. It did this by asking participants to complete an online survey.
Brain fog peaks in the months after COVID-19 before gradually improvingĪ 2021 study aimed to characterize long COVID symptoms in a group of over 3,000 people from 56 countries. Here’s what some of the research says so far. But it’s still unclear exactly how long symptoms like brain fog may last. Since COVID-19 has been around for a couple of years, researchers are getting a better idea of the long-term effects of the illness. How long does COVID brain fog usually last?
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