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Brain Fog And COVID-19: Let’s Clear The Confusion!

By Dr. Nikita Toshi +2 more

Introduction

Have you ever experienced episodes where your mind seems fuzzy, everything seems confusing and performing the simplest of activities, such as reading the morning paper or solving a simple question in an exam, seems like a Herculean job for you? 

Well, the reason behind this strange feeling can be brain fog! 

Brain Fog And COVID-19

Brain fog is a common phenomenon where you end up experiencing periods of confusion, headaches and brain cloudiness. When examined at the cellular level, brain fog is thought to be caused by inflammation which offsets our delicate hormonal balance. This imbalance impacts the entire system and can take a toll on the quality of your life. 

Commonly, brain fog can be caused due to extreme stress, depression, lack of sleep and overworking. But lately, brain fog has been much in the news due to its close link with COVID-19 infection.

So, in this article, let us find out what exactly brain fog is and why COVID-19 causes it.

Symptoms of Brain Fog

Brain fog is a term that describes the feeling of being mentally fuzzy, slow and spaced out. Some symptoms of brain fog that you are likely to experience are:

  • Poor concentration
  • Constant headaches
  • Absence of proper clarity of mind
  • Confusion
  • Issues with memory
  • Feeling as if you are detached mentally
  • Mental fatigue
  • Difficulty in thinking and understanding simple situations

There are many ways that COVID-19 can damage the brain. Some can be devastating, such as encephalitis, strokes, and lack of oxygen to the brain. But other effects may be more subtle, such as the persistent impairment in sustained attention called as brain fog in layman’s terms, which can be temporary.

Dr. M.G. Kartheeka, MBBS, MD(Pediatrics)

What is the Link Between COVID-19 & Brain Fog?

There isn’t any concrete evidence as to why COVID-19 seems to cause brain fog. However, it is believed that psychological and physiological factors are at play. Once the coronavirus has invaded the system and enters the cells through the angiotensin-converting enzyme 2 (ACE2) receptor, the virus can also enter the brain tissue due to its characteristic of being neuro-invasive.

Many studies conducted have revealed that those who have suffered from COVID-19 experience complications such as altered consciousness or brain damage or brain disease which are referred to by the general term encephalopathy.

Case studies showed that high levels of inflammatory cytokine molecules, which are produced by immunity, were found to be present in the fluid that surrounds the brains of people who had recovered from COVID-19 infection probably a few weeks prior. One of the many factors of brain fog is inflammation within the brain which obstructs the ability of the neurons to communicate completely with each other. 

Brain Fog is one of the commonest Long Covid Symptoms reported. 

Brain fog and cognitive impairment are one of the common concerns of “long-covid” which need an inspection, close follow-up and management at the earliest possible opportunity, apart from that heart conditions digestive symptoms, and vascular issues are some other conditions of concern associated with Covid.

Dr. Ashish Bajaj ,M.B.B.S., M.D. in Clinical Pharmacology and Toxicology

Non-COVID-19 Factors that Contribute to Brain Fog

Some ways in which COVID-19 can indirectly cause brain fog in people are as follows: 

  • Feeling lonely
  • Poor quality of sleep daily
  • Symptoms of depression
  • High levels of anxiety or stress
  • Changes with respect to your diet
  • Lowered physical activity
  • Taking certain medications and their associated side effects

Exercising is important, Read 7 Ways In Which Exercise Benefits The Body!

How Long can Brain Fog last?

As per WHO reports, brain fog was found to last for weeks and even months in some people after their respiratory symptoms ceased to exist – Long Covid Symptom.

In a study conducted with a group of 60 people, it was found that 55 per cent of people continued to experience neurological symptoms post three months of their COVID-19 infection. Such symptoms included:

  • Fatigue
  • Headaches
  • Visual disturbances
  • Mood shifts or mood swings
  • Change in Sleep routine

Treatment for COVID-19 Brain Fog

The best solution to tackle brain fog induced by COVID-19 infection is to adopt a healthy lifestyle. Some ways to boost mental function and reduce symptoms of brain fog are listed below:

  • Exercise: Getting regular physical activity is not just good for losing or maintaining weight but also a great way to boost brain function while keeping your lungs and heart in great shape. Doing something as simple as going for a 30-minute walk or jogging daily can do wonders for your brain health.
  • Good Sleep: Getting regular eight hours of sleep is crucial to enable the body to repair and recover. To ensure that you get proper sleep at night, practise healthy sleeping habits such as:
  • Avoid looking at your phone or laptop screen at least 30 minutes before going to bed
  • Eat your meals 2-3 hours before bedtime to ensure proper digestion.
  • Sleep at the same time and get up at the same time every morning to put your body into a circadian rhythm.
  • Sleep in a dark room.

Journal your distracting thoughts if you are worried about certain aspects of your life.

  • Healthy diet: Eating well is key to giving the nourishment the body needs in order to stay healthy. A Mediterranean meal which includes olive oil, nuts, beans, whole grains, fruits and vegetables is believed to be the best for sharpening the brain and improving reasoning and memory powers. Cut down on salt and sugar intake.
  • Avoid alcohol and tobacco: These products can further enhance brain inflammation.
  • Engage in social activities: Participating in social activities can help elevate your mood and boost memory and thinking.
  • Pursue other activities: Engaging in beneficial hobbies and activities such as practising meditation, reading, learning a new hobby or listening to soothing music can not only stimulate cognitive abilities but can also contribute to maintaining a positive attitude.
  • Consult a neurologist or psychiatrist for evaluation and management if symptoms worsen.

Conclusion:

Brain fog is a very common side effect of COVID-19 infection, which can last from a couple of weeks to months after your illness has subsided. If the symptoms of brain fog give rise to cognitive issues that disrupt your productivity or continue to impede your quality of life even after following the healthy habits mentioned above, discuss with your doctor the best way to manage the symptoms alternatively. 

Disclaimer: The information provided here is for educational/awareness purposes only and is not intended to be a substitute for medical treatment by a healthcare professional and should not be relied upon to diagnose or treat any medical condition. The reader should consult a registered medical practitioner to determine the appropriateness of the information before consuming any medication. PharmEasy does not provide any guarantee or warranty (express or implied) regarding the accuracy, adequacy, completeness, legality, reliability, or usefulness of the information; and disclaims any liability arising thereof.

Links and product recommendations in the information provided here are advertisements of third-party products available on the website. PharmEasy does not make any representation of the accuracy or suitability of such products/services. Advertisements do not influence the editorial decisions or content. The information in this blog is subject to change without notice. The authors and administrators reserve the right to modify, add, or remove content without notification. It is your responsibility to review this disclaimer regularly for any changes.

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