Published on May 23, 2023

HBOT for Stress and Anxiety

by Psych Times Staff

The fast-paced, modern world often leads to stress and anxiety caused by work, relationships, or financial pressures. These emotional states can have a negative impact on our overall well-being.

Imagine a natural and non-invasive way to reduce stress and anxiety. That’s where Hyperbaric Oxygen Therapy (HBOT) comes in. It’s a potent treatment that has been gaining popularity in recent times.

In this blog post, we’ll take a deep dive into the world of HBOT therapy, exploring its potential benefits for stress and anxiety, how it works, and what you can expect during a session. So sit back, relax, and let’s discover the power of HBOT together.

What is Hyperbaric Oxygen Therapy (HBOT)?

The medical treatment known as Hyperbaric Oxygen Therapy (HBOT) consists of breathing pure oxygen in a pressurized room or chamber. It has been a proven treatment option for various conditions for several decades, including decompression sickness, chronic wounds, and carbon monoxide poisoning.

Lately, studies have been looking into the possible advantages of HBOT for mental health problems, such as stress and anxiety. Though additional research is still necessary to determine the full scope of these benefits, initial findings show potential.

How Does HBOT Help with Stress and Anxiety?

While the exact mechanisms by which HBOT alleviates stress and anxiety are still being researched, there are several theories. Some of the most prominent include:

Increased oxygen delivery to the brain: When you breathe pure oxygen at a high pressure, your blood can dissolve more oxygen. This oxygen can then reach your brain and possibly improve your cognitive function and reduce your anxiety levels.

Reduced inflammation: Prolonged stress and anxiety can cause inflammation within the body, potentially contributing to mental health problems. Research has shown that HBOT can reduce inflammation by inducing the release of anti-inflammatory molecules.

Improved neurotransmitter balance: Hyperbaric oxygen therapy (HBOT) might assist in maintaining the balance of neurotransmitters like serotonin and dopamine in the brain. These neurotransmitters are vital in managing mood and anxiety.

Enhanced neuroplasticity: Research has shown that HBOT can enhance the growth of neurons and synapses in the brain, potentially leading to better cognitive abilities and emotional strength.

What to Expect During an HBOT Session

To better understand what happens during an HBOT session for stress and anxiety, here’s a step-by-step guide of the process.


Prior to your initial session, you will probably have a meeting with a healthcare provider to talk about your medical history, along with any particular worries or objectives you have regarding stress and anxiety.

Additionally, they will provide you with a detailed explanation of the procedure and address any queries you might have.

Entering the Chamber

You’ll enter a hyperbaric chamber, which can either be a single-person unit (resembling a large, clear tube) or a multi-person room with seats or beds. You’ll typically be given a mask or hood to wear so that you can breathe in pure oxygen.


Once you’re settled in the chamber, the pressure will gradually increase, usually up to 2-3 times the normal atmospheric pressure. You may feel some discomfort in your ears, similar to what you might experience when flying or diving. Swallowing or yawning can help alleviate this pressure.

Treatment Time

The actual treatment time will vary depending on your specific needs but generally lasts between 60-90 minutes. During this time, you can relax, read, or even sleep. Some people report feeling a mild sense of euphoria during the treatment due to the increased oxygen levels.


After the treatment, the pressure inside the chamber will slowly be reduced back to normal atmospheric levels. This process typically takes around 10-15 minutes and should not cause any discomfort.


Once you’ve completed your session, you may feel a bit lightheaded or energized. It’s essential to give yourself some time to adjust before resuming your regular activities. You may also want to discuss any immediate effects or changes with your healthcare provider.

Risks and Side Effects of HBOT

While HBOT is considered a safe and non-invasive treatment, there are some potential risks and side effects to be aware of. These can include:

  • Ear pain or damage due to changes in pressure
  • Sinus congestion or discomfort
  • Temporary vision changes
  • Oxygen toxicity, which can cause seizures (although this is extremely rare)

It’s essential to discuss these risks with your healthcare provider before starting HBOT and to follow all recommended safety guidelines during your sessions.

Final Thoughts on HBOT for Stress and Anxiety

Although more research is required to fully comprehend its advantages and effects, Hyperbaric Oxygen Therapy is a promising treatment choice for individuals dealing with stress and anxiety. Initial findings indicate that it may enhance mental health by raising oxygen levels in the brain, decreasing inflammation, and supporting neuroplasticity.

If you’re interested in trying HBOT for stress and anxiety, consult a healthcare professional to determine if it’s the right choice for you. With proper guidance and care, HBOT may offer a natural, non-invasive path to improved mental health and emotional resilience.

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