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  • Hyperbaric Wellness Center

How Hyperbaric Oxygen Therapy Can Help With Autism.

Updated: Mar 23

Hyperbaric Oxygen Therapy (HBOT) has been explored as a complementary treatment for Autism Spectrum Disorder (ASD), a developmental disorder characterized by challenges with social skills, repetitive behaviors, speech, and nonverbal communication. The premise for using HBOT in ASD is based on its potential to reduce inflammation and improve oxygenation to the brain, which could, in theory, alleviate some symptoms associated with autism.

Understanding HBOT

HBOT involves breathing 100% oxygen in a pressurized chamber. This process increases the amount of oxygen in the blood, which is then delivered to body tissues at higher than normal levels. The increased oxygen delivery is thought to enhance the healing process, reduce inflammation, and improve neurological function.

HBOT's Potential Benefits for Autism

  1. Reduced Inflammation: Some research suggests that certain neurological aspects of autism may be associated with inflammation. HBOT can theoretically reduce inflammation, potentially impacting some of the neurological abnormalities seen in ASD.

  2. Improved Oxygenation: By increasing blood oxygen levels, HBOT could improve oxygenation in brain tissues, which might enhance cognitive and behavioral functions in individuals with autism.

  3. Enhanced Neuroplasticity: There is speculation that HBOT could promote neuroplasticity, the brain's ability to form new neural connections, potentially leading to improvements in functions commonly affected by autism.

Research and Evidence

The scientific community remains divided on the efficacy of HBOT for treating ASD. A number of studies have investigated its potential benefits:

  • A study by Rossignol et al., published in "BMC Pediatrics," found that children with autism who received HBOT showed significant improvements in certain behavioral parameters compared to those who did not receive HBOT.

  • However, a systematic review by Granpeesheh et al., in the "Research in Autism Spectrum Disorders," reported mixed results, suggesting that while some children may show improvements with HBOT, the evidence is not strong enough to broadly recommend its use for all individuals with autism.

It's important to note that while these findings are intriguing, they do not conclusively establish HBOT as a treatment for ASD. More research is needed to fully understand its potential benefits and limitations.

Clinical Considerations and Safety

HBOT is generally considered safe when administered under professional supervision. However, potential risks, such as ear pain, sinus issues, and, in rare cases, oxygen toxicity, should be discussed with a healthcare provider. It's crucial for therapy to be conducted in a medical setting with a tailored treatment plan for each individual.


Hyperbaric Oxygen Therapy presents an interesting area of exploration for adjunctive treatment in Autism Spectrum Disorder. While preliminary studies offer some hope, the medical community calls for more rigorous, large-scale research to definitively ascertain its efficacy and safety for individuals with autism.


  • Rossignol, D.A., et al. "Hyperbaric treatment for children with autism: a multicenter, randomized, double-blind, controlled trial." BMC Pediatrics, vol. 9, 2009.

  • Granpeesheh, D., et al. "Effects of hyperbaric oxygen therapy on children with autism spectrum disorders: An exploratory study." Research in Autism Spectrum Disorders, vol. 2, no. 2, 2008.

Families and caregivers considering HBOT for autism should consult with medical professionals experienced in both ASD and hyperbaric medicine to weigh the potential benefits against the risks and costs associated with the therapy.


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