Written by Dr. Valentina Quintana MD on
March 10, 2022
Reading Time: 6 minutes

Medically Reviewed by our Medical Affairs Team

Written by Dr. Valentina Quintana MD on:

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Have you been prescribed Adderall, and now you feel like your brain is foggy? Like you can’t think straight or focus on anything? If so, you’re not alone.

A significant number of people report that they are experiencing Adderall brain fog. But, does this popular ADHD medication really cause the fog?

In this blog post, we will discuss whether or not Adderall causes brain fog, the side effects of Adderall, and how to remedy potential problems that may arise.

We will also explore the link between brain fog and Adderall. Read on to learn more!

What exactly is brain fog? 

Brain fog or mental fog is a symptom that can be described as a feeling of confusion, disorientation, or sluggish cognitive tempo. It can affect your ability to think clearly, concentrate, and complete tasks.

Brain fog can also cause you to feel forgetful, irritable, and anxious. The cognitive symptoms of brain fog are often worse in the morning and improve throughout the day. Nevertheless, it can impact your brain function significantly. 

Brain fog can be caused by a variety of factors, including stress, anxiety, lack of sleep, medication side effects, and medical conditions, such as chronic fatigue syndrome and even ADHD symptoms

What is Adderall?

Adderall is a prescription medication that is used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy.

It has been shown to be effective in treating juvenile and adult ADHD symptoms, such as hyperactivity, impulsiveness, and difficulty paying attention.

It is also effective in treating narcolepsy, a sleep disorder that causes excessive daytime sleepiness.

Like most ADHD medications, Adderall is a stimulant drug that works by increasing the amount of dopamine and norepinephrine in the brain.

It comes in both an instant release and extended-release form. The instant release form of the drug is taken twice daily, while the extended-release form is taken once daily. 

Adderall is available in both tablet and capsule form.

How does Adderall work?

Adderall is the brand name for a prescription medication that contains amphetamine and dextroamphetamine—these boost the amounts of dopamine and norepinephrine in your brain.

Dopamine is a neurotransmitter that is responsible for pleasure, movement, and attention. Norepinephrine is also a neurotransmitter that affects mood, focus, and energy levels.

When Adderall increases the levels of these neurotransmitters, it leads to improved focus and concentration.

It also causes a decrease in appetite and an increase in energy levels. Adderall is a central nervous system stimulant, which means that it speeds up the activity of the brain and nerves.   

So, how can Adderall cause brain fog?

Adderall can cause brain fog for a number of reasons.

The first reason is that Adderall is a central nervous system stimulant. This means that it speeds up the activity of the brain and nerves. When Adderall increases the levels of dopamine and norepinephrine, it can lead to improved focus and concentration.

However, it can also cause side effects such as anxiety, irritability, and restlessness, which can all contribute to mental fatigue or brain fog.

Another reason Adderall may cause mental fog is that it can lead to dehydration. Adderall causes the body to lose water and can lead to a dry mouth. When the body is dehydrated, it can lead to fatigue and brain fog.

Also, Adderall may cause brain fog in that it can cause sleep problems. Adderall can cause insomnia and disrupt the sleep cycle. This can lead to fatigue and make it difficult to focus and concentrate when you don’t get enough sleep. 

So, while Adderall may improve focus in the short term, it can also lead to a number of side effects that can cause brain fog.

Common Symptoms of Adderall Brain Fog

There are a number of symptoms that are associated with Adderall fog.

These include:

  • Feeling fatigued or exhausted
  • Difficulty concentrating or focusing
  • Memory problems
  • Irritability
  • Feeling anxious
  • Restlessness
  • Dehydration
  • Trouble sleeping

If you experience any of these symptoms, it is essential to talk to your doctor so that they can reconsider your Adderall dosage or find better alternatives that work best for you.

Remedies for Adderall Mental Fog 

There are a few things that you can do to alleviate Adderall mental fog when it occurs, such as the following:

Stay hydrated

Adderall can lead to dehydration, so it is important that you drink plenty of fluids during the day—dehydration is one of the primary causes of brain fog. 

Get enough sleep

Adderall can cause insomnia and disrupt your sleep cycle, so it is essential to get enough sleep every night. Seven to eight hours per night is ideal.


Exercise can help enhance your focus and concentration by increasing blood flow to the brain, reducing brain inflammation, and stabilizing your blood pressure.

Try to get at least 30 minutes of aerobic exercise most days of the week.

Eat healthy foods

Eating nutritious foods helps give your brain and body the nutrients it needs to function properly.

Make sure to include plenty of fruits and vegetables in your diet, as well as whole grains, lean protein, and healthy fats.

Take breaks during the day

If you find that you are struggling to focus, take a break and allow yourself to rest. Once you feel rested, try to focus on your work again.

Try relaxation techniques

If you are feeling anxious, stressed, or finding it difficult to concentrate, try some relaxation techniques such as deep breathing, meditation, or yoga.

These techniques can help clear your mind, improve your focus, and reduce brain inflammation.

Get some green time

Spending time outside in nature can also help improve focus and concentration. The fresh air and natural surroundings can be relaxing and help clear your mind.

If you experience Adderall fog, try implementing some of these remedies to help alleviate the symptoms. If the symptoms persist or get worse, talk to your doctor.

Remember that Adderall is a powerful medication and should be taken only as prescribed by your physician.

Side Effects of Adderall on the Brain

So, we’ve talked about how Adderall can cause brain fog and some of the common symptoms associated with it. But what are the actual side effects of Adderall on the brain?

Adderall is a stimulant medication that affects the central nervous system. When it’s taken in high doses or for an extended period of time, Adderall can cause a number of side effects on the brain, such as:


Adderall neurotoxicity refers to the potential Adderall has to damage or kill brain cells. This can lead to a number of serious side effects, such as:

  • Anxiety
  • Paranoia
  • Hallucinations
  • Delirium
  • Psychosis
  • Depression

Heart problems and increased risk for stroke

Taking Adderall for a long period that is more than necessary can also increase the risk for heart problems and stroke.

Adderall can raise blood pressure and heart rate, which can lead to serious health complications down the road.

Dependency and addiction

Adderall can be addictive, and people who take it for extended periods of time may develop a dependency on the drug. Adderall addiction is a severe condition that requires professional treatment.

If you or someone you know is struggling with Adderall addiction, please seek help from a qualified Adderall rehab center. 

Changes in mood and libido  

Adderall can also cause changes in mood and libido. It can make people feel irritable, anxious, and depressed, and it can also lead to decreased sex drive.

Other sexual problems may include erectile dysfunction, difficulty climaxing, and a generally reduced interest in sex.

If you experience any of these side effects, it is important to talk to your doctor so that they can adjust your Adderall dosage or find a better alternative medication.

Recovery from Adderall Neurotoxicity

So, we’ve talked about the potential side effects of Adderall on the brain. But what can be done to recover from Adderall neurotoxicity?

There is currently no cure for Adderall neurotoxicity, but there are a number of things you can do to help improve your symptoms and quality of life. 

Some of these things include:

  • Resting and taking breaks as needed
  • Eating a healthy diet
  • Getting regular exercise
  • Practicing relaxation techniques
  • Spending time outside in nature  
  • Seeking medical help if necessary
  • Talking to a professional therapist or counselor

Please seek assistance from a qualified Adderall rehabilitation facility if you or someone you know is suffering from Adderall neurotoxicity.

How long does withdrawal from Adderall last?

Withdrawal symptoms from Adderall can last anywhere from a few days to a few weeks.

The symptoms of Adderall withdrawal can include:

  • Anxiety
  • Depression
  • Irritability
  • Fatigue
  • Trouble sleeping
  • Loss of appetite
  • Headaches
  • Muscle aches
  • Sweating
  • Nausea 

If you or someone you know is going through any of these Adderall withdrawal symptoms, please seek professional help.

The Bottom Line

Adderall mental fog can be a frustrating and debilitating condition. But there are things you can do to help improve your cognitive symptoms.

If you experience brain fog from Adderall, try implementing some of the remedies we’ve talked about in this blog post. And if the symptoms persist or get worse, please seek medical help as soon as possible.

Remember, Adderall is one of the potent ADHD medications for attention deficit hyperactivity disorder and it should be taken with caution. If you have any concerns about Adderall fog and its side effects, please talk to your doctor.

If you want to learn more about brain fog and how to get rid of it effectively, check out these helpful articles and feel free to join this online community of brain health advocates.

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