What is Foggy Brain? (9 Things to Prevent and Stop It)

Suffering from Brain Fog? Here Are 9 Things You Can Do to Prevent It

Foggy brain, a.k.a. Brain fog, is a common complaint among those struggling to focus and concentrate. It’s a challenge caused by various factors, including eyestrain, poor nutrition, and lack of sleep.

But don’t worry – there are ways to combat brain fog and get your concentration back on track.

In this article, we’ll discuss the causes of brain fog and some effective ways to combat it. We hope that this information will help you return to your usual level of productivity and focus!

What is Brain Fog?

Brain fog is a term used to describe a general feeling of mental confusion, forgetfulness, or lack of clarity. It can accompany physical symptoms like fatigue, headaches, or body aches.

Brain fog is often caused by stress, lack of sleep, or poor diet. It can also be a symptom of more serious conditions like depression or Alzheimer’s.

While brain fog can be frustrating, there are ways to manage it.

Taking breaks during the day to rest and relax, eating a healthy diet, and getting enough sleep are all good ways to help clear the mind and improve focus.

Symptoms of Brain Fog

If you’re having trouble thinking clearly, you may be experiencing brain fog. This term describes a condition that can cause confusion, forgetfulness, and difficulty concentrating.

While brain fog can be frustrating, it’s usually not a serious condition. You can often improve your symptoms by making simple lifestyle changes, such as getting enough rest and drinking plenty of fluids.

What are the Causes of Brain Fog?

A variety of things can cause brain fog. It could be something as simple as not getting enough sleep or not drinking enough water. It could also be caused by more serious things like anxiety, depression, or even a head injury.

If you’re experiencing brain fog, you must see a doctor to rule out any underlying medical conditions.


Once any medical conditions have been ruled out, there are some things you can do to help clear the fog.

Getting enough sleep and staying hydrated is key. You might also want to try meditation or other stress-relieving activities.

If you’re still struggling with brain fog, talk to your doctor about possible medications or therapies that could help.

Some of the common causes of brain fog are:

1. Lack of Sleep: Lack of sleep is a common problem with many negative consequences. One of these is brain fog, making it difficult to think clearly and focus on tasks. There are several reasons why lack of sleep can lead to brain fog, including changes in hormone levels and how the brain processes information. Lack of sleep can also impact mood and energy levels, further contributing to cognitive difficulties.

If you’re struggling with brain fog, you can do a few things to improve your sleep habits. First, stick to a regular sleep schedule as much as possible. This means going to bed and waking up at the same time each day, even on weekends. Creating a relaxing bedtime routine is also important to help you wind down before sleep.

2. Hormonal Changes: A new study has found that hormonal changes can cause brain fog. The research, which was conducted at the University of Southern California, looked at how hormone changes can affect cognitive function.

The study found that women going through menopause or taking birth control pills are more likely to experience brain fog. The researchers believe this is because of how hormones affect the brain.

Hormonal changes can cause various symptoms, including hot flashes, mood swings, and fatigue.

However, the most common symptom is brain fog. This can include forgetfulness, difficulty concentrating, and confusion.

The good news is that there are ways to manage hormone-related brain fog. If you’re experiencing any of these symptoms, talk to your doctor about hormone replacement therapy or other treatment options.

3. Medical Conditions: Many medical conditions can cause brain fog. These include:

  • Thyroid problems:¬†An imbalance in thyroid hormone levels can lead to brain fog. This is because the thyroid gland regulates metabolism, and an imbalance can lead to energy production and cognitive function problems.
  • Diabetes:¬†Both type 1 and type 2 diabetes can cause brain fog. This is because high blood sugar levels can damage the blood vessels that supply oxygen and nutrients to the brain.
  • Anxiety and depression:¬†These mental health conditions can also cause brain fog. This is because they can lead to concentration, focus, and motivation problems.

4. Dehydration: Dehydration can lead to feelings of brain fog, according to a new study. The research, published in the journal Frontiers in Human Neuroscience, found that even mild dehydration can impact our cognitive abilities.

The study had participants drink water or a sports drink before completing a series of tests. Those who were dehydrated performed worse on the tests than those who were hydrated.

The researchers believe that dehydration impacts our cognitive abilities by affecting the levels of neurotransmitters in the brain.

If you’re feeling sluggish or have trouble concentrating, ensure you drink enough water throughout the day.

Even mild dehydration can zap your energy and impact your cognitive abilities.

5. Unhealthy Diet: When it comes to our health, what we put into our bodies matters as much as how much we exercise. To keep our minds sharp and clear, we must ensure we eat a healthy diet that provides the nutrients our brains need to function properly.

Unfortunately, many of us don’t realize just how important diet is to brain health until we experience the dreaded “brain fog” that can come from an unhealthy diet.

Several factors can cause brain fog, but one of the most common is an unhealthy diet. Eating processed foods or foods high in sugar and unhealthy fats can lead to inflammation and damage the delicate cells in our brains.

This can lead to symptoms like brain fog, difficulty concentrating, memory problems, and even depression.

6.¬†Lack of Exercise:¬†Lack of exercise is known to cause brain fog. A new study has found that people who don’t exercise regularly are more likely to experience problems with thinking and memory.

The results showed that the sedentary adults performed worse on the tests than those who were active. The findings suggest that lack of exercise can harm cognitive health in older adults.

The study highlighted the importance of maintaining an active lifestyle as we age. Regular exercise has been shown to protect against cognitive decline and dementia, so it’s important to make it part of your routine as you get older.

7.¬†Stress:¬†Stress is known to cause brain fog. When you’re stressed, your body releases hormones that can interfere with your ability to think clearly.

Stress can also lead to poor sleep, further impairing your cognitive function.

8. Medications: Brain fog is a common side effect of many medications. It can confuse and make it difficult to concentrate.

Talk to your doctor about other options if you’re taking medication causing brain fog. They may be able to prescribe a different medication that doesn’t have this side effect.

Talk to your doctor or mental health professional if you’re struggling with brain fog. They can help you identify the cause of your symptoms and develop a treatment plan to help you feel your best.

How is Brain Fog Diagnosed?

Brain fog is a common symptom that various underlying conditions can cause. While there is no formal test to diagnose brain fog, your doctor will likely ask about your medical history and perform a physical exam. They may also order blood tests to rule out other potential causes of your symptoms.

If you have brain fog, it’s important to see your doctor so they can rule out any underlying medical conditions. Once any underlying causes are ruled out or treated, you can work on managing your symptoms with lifestyle changes and stress management techniques.

What is Brain Fog in Pregnancy?

Brain fog during pregnancy is characterized by forgetfulness, confusion, and mental fatigue. It can be caused by hormones, sleep deprivation, and anxiety.

While it is normal to experience some cognitive changes during pregnancy, brain fog can interfere with daily life.

There are ways to manage and cope with brain fog, which usually improves after childbirth.

What is Brain Fog From Alcohol?

Brain fog from alcohol is a condition that can occur after drinking too much alcohol. The condition can cause confusion, memory problems, and difficulty concentrating.

Brain fog from alcohol is typically temporary and will resolve once the person stops drinking.

However, in some cases, brain fog from alcohol can signify a more serious problem, such as liver damage or alcohol poisoning.

If you experience brain fog after drinking, you must see a doctor to rule out any underlying medical conditions.

What is Brain Fog From Diabetes?

Diabetes is a disease that affects how your body uses blood sugar. When you have diabetes, your blood sugar can get too high. This can cause a condition called diabetic ketoacidosis (DKA).

DKA can lead to a type of coma called diabetic ketoacidotic coma (DKA-COMA). When you have DKA, your body doesn’t have enough insulin.

Insulin is a hormone that helps your body use sugar for energy. Without insulin, too much sugar stays in your blood. This can cause dehydration and an electrolyte imbalance. These problems can lead to brain fog.

Brain fog from diabetes is a condition where you have trouble thinking clearly. You may feel confused or forgetful. Brain fog can be dangerous because it can make it hard to take care of yourself or make good decisions.

What is Brain Fog From Hypothyroidism?

If you have hypothyroidism, you may experience a condition called brain fog. This can cause forgetfulness, anxiety, and difficulty concentrating.

Brain fog can be frustrating and make it hard to function at your best.

What is Brain Fog From Hyperthyroidism?

Brain fog is a common symptom of hyperthyroidism when the thyroid gland produces too much thyroid hormone. The thyroid is a small, butterfly-shaped gland in the neck that regulates metabolism.

Hyperthyroidism can cause several symptoms, including weight loss, anxiety, and heart palpitations.

Brain fog from hyperthyroidism can make it difficult to concentrate, remember things, and make decisions.

The good news is that brain fog from hyperthyroidism is usually reversible with treatment.

What is COVID-19 Brain Fog?

COVID-19 brain fog is a condition that can occur after someone has had the coronavirus. The condition is characterized by confusion, forgetfulness, and difficulty concentrating. COVID-19 brain fog can last for weeks or even months after a person has recovered from the virus.

The condition is believed to be caused by inflammation of the brain. The inflammation is believed to be caused by the body’s immune response to the virus. The condition is most common in people who have had severe cases of the virus.

COVID-19 brain fog can cause a person to have difficulty remembering things that happened recently. They may also have trouble concentrating and making decisions. The condition can also cause fatigue and sleepiness.

COVID-19 brain fog is not a life-threatening condition. However, it can be very debilitating. The condition can make it difficult for a person to return to their normal life.

There is no specific treatment for COVID-19 brain fog. However, there are some things that can help. Getting plenty of rest and sleep, eating a healthy diet, and taking medications to reduce inflammation can help.

Tips and Tricks to Reduce Brain Fog

If you’re constantly tired and unable to focus, you may be experiencing brain fog. This condition is characterized by a lack of mental clarity and decreased productivity. While there’s no cure for brain fog, there are certain things you can do to improve your symptoms.

Do you ever feel like you can’t think straight? Like you’re in a fog and can’t focus on anything?¬†If so, you’re not alone. Many people struggle with brain fog daily.

Luckily, you can do a few things to help clear the fog and get your brain back on track. Here are a few of our favorite tips and tricks:

1. Get Enough Sleep: One of the best things you can do for your brain is to get enough sleep.

Most people need around 7-8 hours of sleep per night. If you’re not getting enough sleep, your brain will be foggy, and it will be hard to focus on anything.

2. Eat a Healthy Diet: What you eat can also affect your brain fog. Eating a healthy diet full of fruits, vegetables, and fats will help keep your brain healthy and clear. Avoiding processed foods and sugary drinks will also help to reduce brain fog.

3.¬†Exercise Regularly:¬†Exercise is not only good for your body, but it’s also good for your brain. Exercise helps to improve blood flow and oxygenation to the brain, which can help to clear the fog.

4.¬†Take Breaks:¬†If you’ve been working on something for a while and you can’t seem to focus, take a break. Get up, walk around for a few minutes, or do something completely unrelated to your work. This will help clear your head and allow you to return to your work with fresh eyes.

5.¬†Drink Lots of Water:¬†Staying hydrated is important for your overall health, but it’s also important for brain health. Drinking plenty of water will help to keep your brain hydrated and clear.

6. Limit Alcohol and Caffeine: While a little alcohol and caffeine can be helpful, too much can make brain fog worse. Alcohol and caffeine can dehydrate the brain and make it harder to focus.

7. Get Outside: Spending time outside in the fresh air can help to clear your head and reduce brain fog. If you can, get outside for a walk or some other form of exercise.

8. Practice Mindfulness: Mindfulness is a great way to reduce stress and clear your mind. You can try many different mindfulness techniques, so find one that works for you and practice it regularly.

9.¬†See a Doctor:¬†If you’ve tried all of these tips and you’re still struggling with brain fog, it’s important to see a doctor. There could be an underlying medical condition causing your brain fog, so it’s important to check it out.

Brain fog can be frustrating, but hopefully, these tips will help you to reduce it. Remember to be patient and give yourself time to adjust to new habits. You can clear the fog and get your brain back on track with a little effort.

Supplements to Help Stop Brain Fog

Here are three supplements that can help stop brain fog:

1. Omega-3 Fatty Acids: These healthy fats are essential for cognitive function. They can be found in foods like salmon, walnuts, and flaxseeds. You can also take them in supplement form.

2. B Vitamins: B vitamins are important for energy production and nervous system health. Good sources of B vitamins include leafy green vegetables, legumes, and whole grains. You can also take a B-complex vitamin supplement.

3. Vitamin D: Vitamin D is essential for brain health and has been linked to improved cognitive function.

Best Brain Fog Supplement

Almost everyone has had that feeling where they can’t think clearly or focus on what they’re doing. It’s called brain fog and can be frustrating and even debilitating.

Luckily, some supplements can help improve cognitive function and clear brain fog.

Here are the best brain fog supplements to try:

Acetyl-L-carnitine¬†is an amino acid that plays a role in energy production. It’s also been shown to improve memory, learning, and thinking in people with age-related cognitive decline.

B vitamins are essential for many cellular processes, including energy production. B vitamins have also been linked to better cognitive performance and mental clarity.

Omega-3 fatty acids are important for brain health.

Food for Brain Fog

Brain fog can be a frustrating and even debilitating condition. Luckily, certain foods can help to clear the fog and improve cognitive function.

Omega-3 fatty acids are essential for brain health. They can be found in oily fish, such as salmon, mackerel, and sardines, as well as in flaxseeds, chia seeds, and walnuts. Adding these foods to your diet can help to improve memory, focus, and concentration.

Antioxidant-rich foods are also beneficial for the brain. Blueberries, dark chocolate, and green tea are all excellent sources of antioxidants. These nutrients help to protect the brain from damage caused by free radicals and inflammation.


Brain fog doesn’t seem as seemingly threatening when you know what it is and how to deal with it. If you are suffering from brain fog, try out the tips mentioned above to get rid of this annoying condition.

The first thing that needs your attention is diet. Only the best food can ensure your health and help you keep stress levels low.

In addition, keep active so that all those negative energies do not accumulate in your body and cause more problems instead of solving any existing ones!

FAQs | What is Foggy Brain?

What does brain fog feel like?

Brain fog may be described as a general feeling of mental tiredness or heaviness. It can make it difficult to focus, concentrate, or think clearly. Brain fog can also create physical exhaustion and make it difficult for certain people to stay awake during the day.

Does brain fog go away?

It all depends on the person and the intensity of their brain fog. However, some things that may be done to assist in alleviating brain fog include getting adequate sleep, eating a nutritious diet, and lowering stress. If you are experiencing brain fog, it is important to consult a doctor or mental health specialist to determine what is causing it and how to cure it effectively.

Does brain fog from antidepressants go away?

Antidepressants have different impacts on different people. However, some people indicate that after taking antidepressants for a while, their brain fog improves, while others report that the effects are more long-lasting. If you’re worried about brain fog caused by antidepressants, talk to your doctor about whether any other medications could be more beneficial for you.

How to clear brain fog?

The greatest approach to eliminating brain fog varies according to the individual. Getting adequate sleep, eating a good diet, exercising frequently, and controlling stress are some suggestions to help alleviate brain fog. Furthermore, some believe supplements like omega-3 fatty acids or B-complex vitamins might aid in boosting cognitive performance and eliminate brain fog.

Can birth control cause brain fog?

There is no scientific proof that birth contraception can create mental fog. However, some women who use birth control may have adverse effects such as headaches or exhaustion, which can contribute to brain fog symptoms. Consult your doctor if you believe your birth control is creating brain fog.


  1. PubMed: What is brain fog? An evaluation of the symptom in postural tachycardia syndrome
  2. PubMed: Brain Fog in Hypothyroidism: Understanding the Patient’s Perspective
  3. PubMed: Brain Fog: A Bit of Clarity Regarding Etiology, Prognosis, and Treatment
  4. PubMed Central: Caught in the thickness of brain fog: exploring the cognitive symptoms of Chronic Fatigue Syndrome
  5. VeryWellMind: What Is Brain Fog?
  6. Healthline: 6 Possible Causes of Brain Fog
  7. WebMD: Reasons You May Have Brain Fog

Featured Photo by Davide Cantelli on Unsplash

Editor’s Note: While health articles can be a great resource for learning about new and innovative ways to improve your health, it’s important to remember that not all of the information contained within them is accurate. Always consult with a healthcare professional before making any changes to your diet or lifestyle, as they will be able to advise you on whether or not the article’s advice is right for you.

Dr. Sharon Baisil

Dr. Sharon Baisil

Dr. Sharon Baisil is a medical doctor and entrepreneur specializing in Public Health. His areas of expertise include diabetes prevention and control through innovative technologies. He has won the Best Android App Award from the Massachusetts Institute of Technology (MIT). He has been featured in the Entrepreneur, International Business Times, Your Story, and the Economic Times. His app, Beat Diabetes, has 150,000 downloads in the Play Store

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