Written by Dr. Savannah Muncy, Pharm.D on
March 14, 2022
Reading Time: 7 minutes

Medically Reviewed by our Medical Affairs Team

Written by Dr. Savannah Muncy, Pharm.D on:

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Do you feel like you can’t think straight when you’re taking Zoloft? If so, you’re not alone.

Zoloft is a popular antidepressant, but some people report that they are feeling foggy on antidepressants as a side effect. But does the drug really cause the fog?

In this blog post, we’ll discuss the possible causes of Zoloft brain fog and some remedies that might help. We’ll also talk about other Zoloft side effects and how to prevent them.

Keep reading to learn more!

What exactly is brain fog?

Brain fog is a term used to describe feeling confused, groggy, and generally “out of it.” It’s often described as “not being able to think straight.” 

It is a type of cognitive impairment that may make it difficult for you to concentrate or that your thoughts are muddled. You may also have trouble with memory and find it hard to think clearly. 

Brain fog can make it difficult to do everyday tasks, like driving or cooking. It can also lead to feelings of anxiety and depression.

Brain fog can be a frustrating symptom, but fortunately, there are some things you can do to help clear the fog and feel more like yourself again.

What is Zoloft?

Zoloft belongs to a type of antidepressant known as selective serotonin reuptake inhibitors (SSRIs).

It is used to treat major depressive disorder, obsessive-compulsive disorder, anxiety disorders, and other conditions of mental illness.

The drug works by increasing levels of serotonin in the brain. Serotonin is a chemical that plays a role in mood and mental health. 

Zoloft is FDA-approved and available in both tablet and liquid form, and it can be taken once or twice a day.

Zoloft is generally considered safe, but like all medications, it can have side effects, which we will talk more about later. 

Also, Zoloft is one of the most commonly prescribed antidepressants, and it’s estimated that more than 30 million people have used it worldwide.  

Can Zoloft cause brain fog?

There is no clear answer, as brain fog can be caused by many different things.

However, some people report having brain fog as a side effect of Zoloft. In fact, Zoloft is one of the most common antidepressants associated with brain fog.

It’s thought that Zoloft may cause brain fog because of its effects on serotonin levels.

Serotonin plays a massive role in mood and mental clarity, so it’s possible that Zoloft can impact cognitive function by altering serotonin levels.

However, more research is needed to determine if Zoloft really does cause brain fog.

Common Symptoms  of Zoloft Brain Fog

If you’re taking Zoloft and you’re experiencing mental fog, you may have any of the following symptoms:

  • Difficulty concentrating
  • Memory problems
  • Problems thinking clearly
  • Feeling “out of it” or “foggy”
  • Difficulty completing tasks
  • Anxious thoughts and feelings 
  • Lingering sadness
  • Grogginess or fatigue 
  • Dizziness
  • Headaches

These symptoms can make it difficult to do everyday tasks, and they can also be very frustrating.

If you’re struggling with brain fog, don’t linger too much on despair. There are some things you can do to help ease the symptoms.

Remedies for Brain Fog

There is no one-size-fits-all remedy for Zoloft fog, as the root cause of the fog can be different for each person.

However, here are a few tips that might help:

Get regular exercise

Exercise releases endorphins, which have mood-boosting effects and can help improve brain function. Even a short walk daily can help clear the fog and improve your mood.

Eat a healthy diet

A healthy diet is essential for your overall well-being, especially brain health, and it may also help ease Zoloft’s mental fog. Eating plenty of fruits, vegetables, whole grains, and lean protein can help improve focus and mental clarity. 

Get enough sleep

Sleep is crucial for cognitive function, and not getting enough sleep can lead to problems with focus and concentration. Make sure you’re getting at least seven to eight hours of quality sleep each night.

Reduce stress

Stress can worsen Zoloft fog, so it’s crucial to find ways to reduce stress in your life. You can try things like yoga, meditation, or deep breathing exercises to help you relax.

Get some green time 

Spending time outdoors in nature has been shown to improve mental wellbeing. Spending even just a few minutes outside every day can help clear the fog and boost your mood.

Take breaks throughout the day 

When you’re feeling overwhelmed or bogged down by your tasks at school or at work, take a break.

Step away from your work, put your phone away, and take a few deep breaths. This can help refresh your mind and make it easier to concentrate when you return to your work.

Talk to your doctor

If Zoloft fog and its side effects are impacting your quality of life, it’s essential to talk to your doctor. They may recommend changing the dose or switching to a different medication that’s suitable for you.  

Zoloft can be an effective treatment for anxiety disorder and depression symptoms, but it’s important to be aware of the potential side effects. If Zoloft is causing you problems, talk to your doctor about other options.

Other Zoloft Side Effects

In addition to brain fog, Zoloft can also cause other side effects, including:

  • Acne
  • Nausea
  • Diarrhea
  • Dry mouth
  • Anxiety
  • Agitation
  • Sweating
  • Shaking
  • Fainting
  • Chest pain
  • Numbness
  • Brain Zaps
  • Headaches
  • Feeling Tired
  • Memory loss
  • Vivid Dreams
  • Hallucinations
  • Impulsiveness
  • Loss of appetite
  • Decreased libido
  • Triggering mania
  • Frequent urination
  • Black or bloody stools
  • Weight gain or weight loss
  • Slowed growth (in kids and teens)
  • Heavy menstrual period (for women)
  • Sleep disturbances (e.g., sleep apnea, insomnia)
  • Nosebleeds (commonly happens in children and adolescents)

Zoloft is a medication that can help treat symptoms of depression, but it’s essential to be aware of the potential side effects.

If you’re experiencing brain fog or other Zoloft side effects, especially the adverse ones, talk to your doctor about other options.

How does Zoloft (sertraline) work?

Zoloft is a type of antidepressant known as a selective serotonin reuptake inhibitor (SSRI). It works by increasing the level of serotonin, a chemical messenger in the brain that helps regulate mood.

Serotonin plays a crucial role in depression and anxiety. By increasing the levels of serotonin, Zoloft can help improve mood and ease symptoms of severe depression. 

Zoloft is available as a generic drug and is FDA-approved for the treatment of major depressive disorder in adults.

It can also be used “off-label” for other conditions, such as social anxiety disorder, panic disorder, and post-traumatic stress disorder (PTSD).

Zoloft is generally safe and well-tolerated, but it can cause some side effects. It may interact with pain medicine and other medicines, so it’s important to talk to your doctor about all the medications you’re taking before starting Zoloft.

Typical Dosing for Zoloft (Sertraline)

The recommended starting dose of Zoloft for people with depression is 50 mg per day.

This can be increased to a maximum dose of 200 mg per day, depending on how well it’s tolerated and how effective it is for treating your symptoms.

For children ages six to 17, the recommended starting dose is 25 mg per day. The amount can also be increased to a maximum of 200 mg per day, depending on how well it’s tolerated and how effective it is for treating your child’s symptoms.

Zoloft is available as a tablet, an oral solution, and an extended-release capsule. It’s typically taken once or twice a day with or without food.

If you miss a dose of Zoloft, take it as soon as you remember. If it’s almost time for your next dose, skip the missed dose and continue on your regular dosing schedule. Do not take two doses at once.

Because Zoloft interacts with a variety of drugs, it’s critical to discuss all of your medications with your doctor before beginning your Zoloft treatment.

What are the risks and warnings for Zoloft (sertraline)? 

Zoloft may not be suitable for everyone. Tell your doctor if you have a history of liver disease, kidney disease, or seizures.

Here are some risks and warnings for Zoloft that you need to be aware of:

Serotonin syndrome

Zoloft can cause a potentially life-threatening condition called serotonin syndrome, especially when taken with certain medications that increase serotonin levels. 

Serotonin syndrome is a condition that causes a person to have an excessively high level of serotonin in their body, which causes symptoms such as:

  • Serious drug addiction
  • Agitation
  • Hallucinations
  • Coma
  • Rapid heart rate
  • High blood pressure
  • Dilated pupils
  • Loss of muscle coordination

If you experience any of these symptoms while taking Zoloft, it’s important that you seek professional medical advice right away.

Higher bleeding risk

Zoloft can increase the risk of bleeding. If you take Zoloft and are also taking anticoagulants (blood thinners), NSAIDs (nonsteroidal anti-inflammatory drugs), or aspirin, your risk of bleeding may be increased.

If you experience any unusual bleeding or bruising while taking Zoloft, consult your doctor right away.

Low sodium levels in the blood

Zoloft can cause low sodium levels in the blood. This is because Zoloft inhibits the reabsorption of sodium in the kidneys.

Low sodium levels can cause symptoms such as:

  • Headache
  • Dizziness
  • Confusion
  • Nausea

If you experience any of these symptoms while taking Zoloft, consult your doctor immediately.

Abnormal heart rhythm

Zoloft can cause an abnormal heart rhythm. This is because Zoloft inhibits the reuptake of sodium in the heart.

If you experience any irregular heartbeat while taking Zoloft, it’s important that you consult your doctor as soon as possible.

What are alternatives to Zoloft (sertraline)?

If Zoloft isn’t the right fit for you, there are other medications that can be used to treat depression. Some of these alternatives include:

  • Celexa (citalopram)
  • Lexapro (escitalopram)
  • Prozac (fluoxetine) 
  • Paxil (paroxetine)
  • Effexor (venlafaxine)

Each person responds to medications differently, so it may take some trial and error to find the right medication for you. It’s important to work with your doctor closely to find the best treatment option for your depression.

Concluding Thoughts

Brain fog can be a side effect of taking Zoloft. But take note that brain fog can be caused by many other things, including an underlying health condition.

If you experience mental fog while taking Zoloft, it’s important to consult your doctor to see if the medication is right for you.

Zoloft can also cause other side effects, such as serotonin syndrome, higher bleeding risk, low sodium levels in the blood, and abnormal heart rhythm.

If you experience any of these side effects while taking Zoloft, it’s important to consult your doctor right away.

There are also alternatives to Zoloft that can be used to treat depression. If Zoloft isn’t the right fit for you, work with your doctor to find the best treatment option for your depression.

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

Join The Mental Health Community You've Been Dreaming Of


This discord family is a safe place where we can all (anonymously if we choose) talk about and seek help for what is going on in our heads.

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