Hyperbaric Oxygen Therapy: A Promising Approach to Long COVID

Long COVID, the constellation of persistent symptoms that can linger after a COVID-19 infection, has been a significant challenge for the medical community. While there is no single cure for Long COVID, a growing body of evidence suggests that hyperbaric oxygen therapy (HBOT) may offer a promising avenue for symptom relief.

What is Hyperbaric Oxygen Therapy?

HBOT involves breathing pure oxygen in a pressurized chamber. This increased pressure allows for more oxygen to dissolve in the bloodstream, reaching tissues that are poorly oxygenated due to various factors, such as COVID-19 infection, pneumonia, or chronic obstructive pulmonary disease (COPD).

How Does HBOT Benefit Long COVID?

HBOT has been shown to have several potential benefits for Long COVID patients, including:

  • Improving oxygen delivery to tissues: COVID-19 can damage the lungs and other organs, leading to impaired oxygen delivery to tissues. HBOT can help reverse this damage and improve oxygen circulation.
  • Reducing inflammation: Long COVID is often associated with chronic inflammation, which can contribute to various symptoms, such as fatigue, muscle pain, and cognitive problems. HBOT has anti-inflammatory properties that can help reduce inflammation and alleviate these symptoms.
  • Enhancing wound healing: Long COVID can impair wound healing, leading to slow or incomplete recovery from injuries or surgery. HBOT can improve wound healing by increasing blood flow and oxygen delivery to the affected area.
  • Boosting the immune system: Long COVID can weaken the immune system, making it more susceptible to infections and other health problems. HBOT can help boost the immune system and improve its ability to fight off infections and heal wounds.

Research on HBOT for Long COVID

Despite the promising findings, more research is needed to establish definitive conclusions regarding the efficacy of HBOT for Long COVID. However, several studies have shown encouraging results.

One study published in the journal "Critical Care" found that HBOT significantly improved fatigue, cognitive function, and overall quality of life in Long COVID patients. Another study, published in the journal "Journal of Applied Physiology", showed that HBOT reduced inflammation and improved lung function in Long COVID patients.


HBOT holds promise as a potential treatment for Long COVID. While more research is needed to confirm its efficacy, the growing body of evidence suggests that HBOT may offer a valuable tool for managing the debilitating symptoms of this complex condition.