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Hyperbaric Oxygen Therapy FAQs

A safe, non-invasive therapy designed to support recovery, healing, and overall wellbeing.

Hyperbaric Oxygen Therapy FAQs

1. What is Hyperbaric Oxygen Therapy?

Hyperbaric Oxygen Therapy (HBOT) is a painless and non-invasive oxygen therapy that involves breathing enriched oxygen in a pressurized chamber.

2. What are the benefits of Hyperbaric Oxygen Therapy?

The increased pressure allows blood plasma to absorb more oxygen at pressures greater than sea level. This stimulates the release of more energy, which enhances the body’s defence mechanism and promote natural healing.

Hyperbaric Oxygen Therapy creates an environment where oxygen can dissolve directly into the blood, tissue, and other bodily fluids. This helps to:

· Improve energy levels
· Improve tissue function
· Promote collagen, bone, and cartilage repair and regeneration
· Reduce swelling and inflammation
· Reduce pain
· Strengthen the immune system
· Increase the body’s antioxidant defences

3. What conditions can HBOT support?

HBOT can help to support the following conditions and many more:

· Post-traumatic stress disorder (PTSD)
HBOT helps PTSD by providing 100% oxygen delivered under increased pressure, which aids in healing damaged brain tissue, improving blood flow, reducing inflammation, and promoting the growth of new tissue and blood vessels.
This therapy has shown promise in reducing PTSD symptoms, with studies indicating that 52% of participants in a study no longer met the PTSD diagnostic threshold after 40 treatments. Additionally, HBOT can enhance neuroplasticity, the brain’s ability to form new connections, which is crucial for healing from trauma. The therapy is administered in a pressurized chamber, allowing for the absorption of significantly more oxygen than under normal conditions, which can stimulate healing processes and reduce inflammation.

· Fibromyalgia
Increasing oxygen levels: Enhanced oxygen delivery can improve cellular function and energy production, potentially alleviating the widespread pain characteristic of fibromyalgia.
Reducing inflammation: By decreasing inflammation, HBOT can address one of the suspected underlying mechanisms of fibromyalgia, offering relief from discomfort and pain.
Alleviating pain: The increased oxygen supply can also have a direct analgesic effect, reducing the chronic pain that fibromyalgia patients experience.
Improving the quality of sleep: HBOT can mitigate symptoms of anxiety and depression often associated with fibromyalgia, leading to better sleep quality and, consequently, improved overall well-being.
Promoting healing and tissue repair: The therapy stimulates the production of collagen and the formation of new blood vessels, which can enhance the body’s natural healing processes and potentially alleviate some of the physical manifestations of fibromyalgia.
HBOT is not a cure for fibromyalgia, but it can be a valuable addition to a comprehensive treatment plan for managing symptoms and improving quality of life.

· Multiple sclerosis
Hyperbaric oxygen therapy (HBOT) for MS patients is believed to help in several ways:
Reducing inflammation: HBOT may help reduce inflammation in the body, which can be a common issue in MS patients.
Improving fatigue: Some studies suggest that HBOT can alleviate fatigue, a common symptom of MS, potentially through increased oxygen delivery to the body’s tissues and support cellular energy production.
Promoting nerve function: HBOT may support nerve function, which can be affected by MS.
Stabilizing function: HBOT has been shown to stabilize MS patients’ function long-term, leading to increased overall health and wellness.
Slowing disease progression: Some studies indicate that HBOT can slow the progression of MS symptoms, offering a promising method for managing this chronic condition.
While HBOT shows potential benefits, more research is needed to confirm its efficacy and to understand its full impact on MS patients. It is essential for patients to consult with healthcare professionals to determine if HBOT is a suitable treatment option for their specific condition.

· Migraine
Migraines can be exhausting—bringing pain, nausea, and sensitivity to light or sound. At Hyperbaric Health and Healing, we offer Hyperbaric Oxygen Therapy (HBOT) as a supportive option for those seeking relief.
How HBOT boosts oxygen delivery to the brain, easing the oxygen shortage often linked to migraine attacks
Reduces inflammation and supports healthy blood vessel function
Shortens recovery time after an attack, helping with fatigue and “migraine hangover” symptoms

· Stroke
Several studies have shown that HBOT can improve motor functions, memory and cognitive function in post-stroke patients, even in the later stages of stroke recovery. However, research remains limited and further studies are needed to determine the effectiveness of HBOT for stroke patients

· Lyme disease

· Some forms of cancer
This therapy has been explored for its potential benefits in cancer treatment, particularly in addressing tumour hypoxia—a condition where tumour regions are deprived of adequate oxygen.
Tumour hypoxia is associated with increased resistance to therapies like radiation and chemotherapy. HBOT can elevate oxygen levels within tumours, potentially improving the effectiveness of these treatments. A review in Targeted Oncology suggests that while HBOT does not promote cancer growth, it may have tumour-inhibitory effects in certain cancer subtypes.

Improving Radiation Therapy Outcomes
Radiation therapy relies on oxygen to generate reactive oxygen species that damage cancer cells. By increasing oxygen concentration in tissues, HBOT may enhance the sensitivity of tumour cells to radiation, potentially leading to better treatment outcomes. Research has indicated that HBOT can improve local tumour control and reduce recurrence rates in head and neck cancers when combined with radiation therapy.
Some studies suggest that HBOT may directly inhibit tumour progression. For instance, research published in Scientific Reports demonstrated that HBOT suppressed tumour growth in lung cancer models by improving tissue angiogenesis and increasing tumour cell apoptosis.
While HBOT shows promise as an adjunctive treatment in oncology, it is not a standalone cure for cancer.
In conclusion, HBOT offers potential benefits in cancer treatment by improving tumour oxygenation, enhancing the effectiveness of radiation therapy, mitigating radiation-induced tissue damage, and possibly exerting direct anti-tumour effects. However, more clinical trials are necessary to fully understand its role and establish standardized treatment protocols in oncology.

· Post-Surgery
HBOT boosts oxygen delivery to tissues, speeding up wound repair
Stimulates collagen production, helping scars heal more smoothly
Reduces swelling and inflammation, improving comfort and recovery
Promotes new blood vessel growth, supporting healthier skin regeneration
Faster recovery times along with reduced risk of infection and complications
Improved cosmetic outcomes with softer, less visible scars
Support for both medical and cosmetic procedures

· Soft tissue damage
Hyperbaric Oxygen Therapy (HBOT) supports tissue repair and infection control. HBOT works by delivering high concentrations of oxygen to affected areas, which can be oxygen-deprived due to injury, poor circulation, or long-term disease. The therapy is particularly beneficial for soft tissue damage as it enhances oxygen delivery to hypoxic tissues, promotes angiogenesis, reduces inflammation, and supports tissue repair. HBOT is used in various conditions, including soft tissue radiation injuries, where it aids in the treatment through physiological mechanisms such as enhanced oxygenation, angiogenesis, collagen synthesis, anti-inflammatory effects, and antimicrobial effects.

4. What happens during a HBOT session?

There are several stages during a typical therapy session.

• The first stage is compression in which the chamber is pressurized to the prescribed pressure
• You may feel warm for a few minutes at the beginning of your session
• You may feel a slight pressure in your ears or sinuses during the session. You will be guided by your HBOT chamber specialist to relieve any discomfort
• The chamber is maintained at this pressure (depth) whilst you breathe in the oxygen for the length of time prescribed in your programme (60 – 90 minutes)
• You may feel sleepy during your session
• The chamber is then depressurized and the therapy is finished
• You may feel cool and slightly tired at the end of your session

5. What does Hyperbaric Oxygen Therapy feel like?

As HBOT is a pressurized air therapy, the start and end of your session may feel like the take-off or landing of an aeroplane. As the pressure builds in the chamber, the pressure builds within your ears, which may leave you with an ear-popping or fullness sensation. This sensation should only last 10-15 minutes, and our guided HBOT Specialists will guide you to relieve any ear pressure.

Once the required pressure is reached you may feel sleepy, and you can relax and breathe normally for the duration of your session.

6. Is Hyperbaric Oxygen Therapy safe?

Hyperbaric Oxygen Therapy is an extremely safe, non-invasive therapy, with very few rare potential side effects.
Your HBOT Specialist will discuss the safety aspects with you in detail at your initial assessment.

Our HBOT chambers have built-in safety devices to ensure that risk is minimised and that your safety and wellbeing is at the forefront of everything we do.

7. What are the side effects?

Hyperbaric Oxygen Therapy is extremely safe. The pressure used in our Hyperbaric Oxygen Therapy Chambers is mild, and therefore any side effects are extremely rare. However, it is common to feel slightly tired and hungry following your HBOT session.

8. Can I overdose on Hyperbaric Oxygen Therapy? 

It is virtually impossible to achieve either chronic or acute pulmonary oxygen toxicity at the pressures used in our chambers. However, our skilled HBOT Specialists will develop a programme to ensure the correct levels are used for your requirements.

9. Will I feel claustrophobic?

Some people do feel claustrophobic, however, most chambers have several viewing panels which have been designed to help prevent feelings of claustrophobia and allow as much light into the chamber as possible.

You will never be locked into the chamber so should feelings of claustrophobia become overwhelming, we will be able to open the chamber within 30 seconds and your HBOT Specialist will be there to guide you with your breathing to help you relax again.

10. Is Hyperbaric Oxygen Therapy Painful?

No. The majority of patients find HBOT sessions relaxing and peaceful. You may experience some mild ear fullness which is similar to the sensation you experience during flight take-off or landing. However, HBOT should not be painful.
If you do experience any earaches during your therapy, inform your HBOT Specialist immediately who will adjust the pressure of the chamber to relieve the ear pressure.

11. Is HBOT right for you?

Hyperbaric Oxygen Therapy is effective for a variety of medical conditions.
We offer a consultant-led service with one of our HBOT Specialists for all new patients to ensure that HBOT is safe and suitable for you and your needs. You can trust that your programme will be personalised for you.

The process allows our specialist to fully understand your individual need to determine the appropriate HBOT programme for you.
At your assessment, our specialist is there to answer any questions or help with any concerns you may have about Hyperbaric Oxygen Therapy.

12. Why do I have to have initial assessment?

The initial assessment is an essential suitability step, to ensure that we can offer you a safe and effective tailored therapy programme.
We offer an initial assessment service for all new patients to determine if Hyperbaric Oxygen Therapy suitable. This process allows us to fully understand the patient’s medical circumstances via a medical evaluation form to determine the appropriate HBOT programme, based on medical history and latest clinical research.

13. Is Hyperbaric Oxygen Therapy just for divers?

Hyperbaric Oxygen Therapy has been widely recognised for decompression sickness in divers since 1937, however technology and research has demonstrated an impeccable safety record to support the use of HBOT across a wide range of other conditions and benefits.

14. Can anyone have Hyperbaric Oxygen Therapy?

No. Although you can refer yourself to Hyperbaric Oxygen Therapy, we must assess your suitability for the therapy before we proceed. To schedule an initial assessment, please call 07885 204801 or email info@hyperbarichealthandhealing.co.uk

15. Is Hyperbaric Oxygen Therapy safe for children?

Yes. There is no age restriction for HBOT.

16. Who isn’t suitable for Hyperbaric Oxygen Therapy?

Hyperbaric Oxygen Therapy will almost certainly not be suitable for you, if any of the following apply to you:

• Untreated pneumothorax (collapsed lung)
• Congenital spherocytosis and Sickle Cell Disease
• Upper respiratory infections
• Chronic sinusitis or serious sinus problems
• High fever
• Severe emphysema or other breathing problems
• Pregnancy
• Disulfiram (Antabuse) used in the treatment of alcoholism
• Doxorubicin (Adriamycin) (a chemotherapy drug)
• Cisplatin, a chemotherapy drug
• Bleomycin sulphate, a chemotherapeutic agent
• Mafenide Acetate (Sulfamylon) (which suppresses bacterial infections in burn wounds)

Additionally, we do require a doctor’s consent for the administration of HBOT in the presence of the things like asthma, history of middle ear surgery, seizure and other conditions. If in doubt, please contact your doctor or a hyperbaric doctor (UK approved HBOT doctors can be found on the HSE website).

17. Can I use a Hyperbaric Oxygen Chamber if I am pregnant?

We will not offer therapy to anyone who is pregnant or trying to become pregnant

18. If I am a healthy individual, what benefits can I get?

Hyperbaric Oxygen Therapy is used around the world, helping bodies to repair, recover and rejuvenate. Whilst HBOT can aid several medical conditions, it can also support overall health and wellbeing.
The increased production of energy that occurs during HBOT can support the body’s coping mechanism with ageing, stress and other conditions.

19. I am on medication, can I still have Hyperbaric Oxygen Therapy?

Oxygen may change the effects of certain medications, so always speak with your Hyperbaric Oxygen Therapy Specialist and health care providers to discuss the implications of combining your medication with HBOT.
Certain medications cannot be taken in combination with HBOT, including some chemotherapies, topical ointments, and opioid antagonist drugs.

20. Can I use Hyperbaric Oxygen Therapy if I have cold or if I am feeling unwell?

If you have a cold, fever, flu-like systems, frequent loose stools, or other illness such as high blood pressure, your therapy might be delayed.
The reason behind this is, a cold or illness may affect your ability to clear your ears when using a HBOT chamber, which could lead to an inner ear injury.

21. How are patients referred for HBOT?

Patients can self-refer or be referred by a physician or GP. All patients are evaluated by our Hyperbaric Oxygen Therapy Specialist to determine suitability and design a personalized programme, based on their specific needs. To schedule an initial assessment, please call us on 07885 204801 or email info@hyperbarichealthandhealing.co.uk.

22. How should I prepare for my HBOT sessions?

Please come to your therapy sessions in loose-fitting and ideally cotton clothing, avoid wearing any cosmetics, perfumes, hair sprays, deodorants and jewellery on the day.
It’s also best to have a light meal one to two hours before your session.

If you have diabetes, you should check blood glucose before and after each session, because Hyperbaric Oxygen Therapy can occasionally lower blood glucose levels.
If you are using any medications, including non-prescription medication, please advise the HBOT Specialist at your initial assessment, and please make us aware of any changes which may occur between your initial assessment and any following appointments.

Please do not drink alcohol or carbonated drinks for four hours before your therapy. And where possible. We recommend not smoking for at least 30 minutes after your sessions.

23. How many HBOT sessions will I need to see any results?

The ’40-hour protocol’ is considered by experts as the gold standard for many of the physiological benefits that can be achieved with Hyperbaric Oxygen Therapy. But everyone is different, so your exact programme will be personalised to you and your needs.

In the same essence, results will inevitably vary dependent on your programme, situation and needs. Some people will see immediate benefits, whereas others may not see any benefits until after their therapy series is complete.

24. What can I take into the chamber?

Please bring as few personal items as possible to your therapy. Avoid using body oils, perfumes, lotions, nail polish and deodorants to prevent harmful vapours from forming in the chamber.
Electronic devices such as mobile phones, tablets and mp3 players may be used the soft chamber only.
In the hard chamber only books, magazines etc. are allowed.

25. How long is each session?

A typical session lasts between 60 and 90 minutes, depending on your condition and needs. This will be discussed with you at your initial assessment.

26. Will there be other people in the chamber?

Your HBOT sessions have been personalised to you and your needs, so you will be alone in the chamber. This will allow you to relax and enjoy the benefits of your session.
However, our soft chamber will accommodate one adult and one child, so if your child is undergoing the treatment you will be able to accompany them in the chamber.

27. What type of chamber do you use?

We offer a 2.0ATA Hard shell chamber and a 1.4ata soft chamber.
Our stainless steel hard chamber is very high-strength, durable ad ensures long-lasting safety and reliability.

• 2.0 ATA (14.6 psi) maximum operating pressure
• Single person chamber
• Both internal and external monitoring display
• Wide viewing window that can help prevent feelings of claustrophobia and allow as much light into the chamber as possible
• Delivers oxygen under pressure via face mask or nose cannula.
• Control system combines compressor, oxygen concentrator and dehumidifier/cooling unit

Our Henshaw XL Sport Hyperbaric Oxygen Therapy Chambers are made using medical grade materials that are extremely hygienic, safe and provide a luxurious experience.
• 1.4 ATA (5.9 psi) maximum operating pressure
• Enough space for 2 people (parent and child)
• Both internal and external monitoring gauges, providing added comfort and security
• Wide viewing window that can help prevent feelings of claustrophobia and allow as much light into the chamber as possible
• Delivers oxygen under pressure via face mask or nose cannula.
• Control system combines compressor, oxygen concentrator and dehumidifier/cooling unit
Lots of soft HBOT chambers use toxic glues to seal joints, which can leave unpleasant smells for the user. Instead, our HBOT Chambers are heat-welded for an ultra-strong bond that is free of toxic glues and harsh smells.

28. Are there different types of Hyperbaric Oxygen Therapy Chambers?

Yes. There are different types of Hyperbaric Oxygen Therapy chambers which are each capable of delivering different pressures.

The type of HBOT chambers found at hospitals are typically large, hard chambers with a higher ATA pressure (between 2 – 2.5 ATA). These are used for a wide range of serious conditions including radiation injury, poisoning and sickness in divers.

The type of HBOT chambers you’ll often find at most private HBOT specialist centres are typically larger soft-shell chambers that operate at a lower ATA (between 1.3 – 1.5 ATA).

29. What is ATA?

ATA stands for Atmosphere Absolute and is commonly used when describing the average atmospheric pressure exerted at sea level. In Hyperbaric Oxygen Therapy, ATA refers to the pressure of the chamber.

One atmosphere absolute, or 1 ATA, is the average atmospheric pressure exerted at sea level. So if a specialist carried out a one-hour HBOT at 2 ATA, the user will be breathing 90%+ oxygen, for one hour, while at 2 times the atmospheric pressure at sea level.

30. Is Hyperbaric Oxygen Therapy the same as going to an oxygen bar?

No. Although oxygen bars deliver higher concentrations of oxygen to the body, they do not use pressurized oxygen and therefore cannot deliver the same benefits at HBOT.

31. Do you provide wheelchair access?

Yes, although clients will need to get out of their wheelchair to get into the chamber.

32. What is the nearest rail station?

Redhill (on the London to Brighton line)

33. How much does HBOT cost?

This will depend on the package that we recommend, but prices range between £85 to £60 per session. See our Prices page for more details here.
Begin your journey to wellbeing

Ready to Take Your Next Step?

If you’re ready to experience the benefits of Hyperbaric Oxygen Therapy and would like to book a session, or would simply like some more information about it, you can call us on 
07885 204801 or simply get in touch through our online contact form.
Contact Us
HBOT and light-based therapies are complementary wellness therapies and are not intended to diagnose, treat, cure, or prevent disease.

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