The Short Answer Educational content only. Any suspected concussion warrants medical evaluation. Consult concussion specialists and treating providers before starting any new therapy. Hyperbaric oxygen therapy (HBOT) shows mixed evidence for post-concussion syndrome (Silverberg et al., 2020). Some randomized controlled trials show symptom improvement, particularly in military populations with persistent post-concussion symptoms. Other trials show placebo response (low-pressure sham) equivalent to HBOT (high-pressure treatment). HBOT considered investigational for concussion in most consensus guidelines. HBOT not FDA-approved for concussion. Expensive and time-intensive with limited insurance coverage. Discussion with concussion specialist essential before pursuing HBOT. HBOT may be reasonable adjunctive treatment for chronic PCS not responding to standard treatments after risk-benefit discussion. HBOT shows mixed evidence for PCS. Mixed evidence in trials. Considered investigational. Investigational status. Not FDA-approved for concussion. Not FDA-approved for concussion. How HBOT Works 100% oxygen at increased atmospheric pressure. 100% O2 at increased pressure. Pressure typically 1.5-2.4 atmospheres absolute (ATA). Pressure 1.5-2.4 ATA. Increased oxygen dissolved in blood plasma. Increased dissolved O2. Increased oxygen delivery to tissues. Increased tissue O2 delivery. Reduced neuroinflammation proposed. Reduced neuroinflammation proposed. Angiogenesis (new blood vessel growth). Angiogenesis stimulation. Neurogenesis (new neuron growth). Neurogenesis proposed. Mitochondrial function support. Mitochondrial function support. Anti-inflammatory effects. Anti-inflammatory effects. Evidence for HBOT in Concussion Some RCTs support HBOT for PCS. Some RCTs support HBOT. Harch et al. studies support. Harch studies support. Efrati et al. studies support. Efrati studies support. Military studies mixed results. Military studies mixed. Some trials show placebo equivalence. Some show placebo equivalence. Wolf et al. Air Force study equivalence. Wolf study equivalence. Placebo pressure debate. Placebo pressure debate. Consensus guidelines investigational. Consensus guidelines investigational. Systematic reviews mixed conclusions. Systematic reviews mixed. The Placebo Debate Sham HBOT often uses 1.2-1.3 ATA air. Sham 1.2-1.3 ATA air. Sham pressure may have therapeutic effect. Sham may be therapeutic. True placebo difficult to create. True placebo difficult. Both groups often improve. Both groups often improve. Differential improvement debated. Differential improvement debated. Potential Benefits Reported Reduced headaches. Reduced headaches reported. Improved cognition. Improved cognition reported. Improved sleep. Improved sleep reported. Reduced mood symptoms. Reduced mood symptoms reported. Reduced PTSD symptoms. Reduced PTSD symptoms reported. Improved quality of life. Improved quality of life reported. Reduced fatigue. Reduced fatigue reported. Treatment Protocol Common 1.5-2.4 ATA pressure common. 1.5-2.4 ATA pressure common. 60-90 minute sessions. 60-90 minute sessions. 40-60 sessions common protocol. 40-60 sessions common. 5 sessions per week common. 5 sessions per week common. 8-12 week duration common. 8-12 week duration common. Reassessment every 20 sessions. Reassessment every 20 sessions. HBOT Safety Considerations Middle ear barotrauma common. Middle ear barotrauma common. Sinus barotrauma common. Sinus barotrauma common. Claustrophobia in chamber. Claustrophobia possible. Oxygen toxicity rare. Oxygen toxicity rare. Seizure rare. Seizure rare. Pneumothorax rare. Pneumothorax rare. Vision changes reversible. Vision changes reversible. Fire risk in chamber. Fire risk in chamber. Contraindications Untreated pneumothorax. Untreated pneumothorax. Certain chemotherapy agents. Certain chemotherapy agents. Uncontrolled seizure disorder. Uncontrolled seizure disorder. Severe COPD. Severe COPD. Pregnancy (relative). Pregnancy relative. Congenital spherocytosis. Congenital spherocytosis. Cost and Insurance $100-$500 per session common. $100-$500 per session. 40-60 sessions total course. 40-60 sessions total. Total cost $4,000-$30,000. Total cost $4,000-$30,000. Insurance coverage limited for concussion. Insurance coverage limited. Not FDA-approved for concussion (off-label). Off-label for concussion. Some VA programs cover. Some VA programs cover. Payment plans sometimes available. Payment plans available. Cash pay common. Cash pay common. FDA-Approved Indications (Not Concussion) Decompression sickness. Decompression sickness. Carbon monoxide poisoning. Carbon monoxide poisoning. Gas embolism. Gas embolism. Radiation injury. Radiation injury. Certain wound healing. Certain wound healing. Necrotizing infections. Necrotizing infections. Compromised skin grafts. Compromised skin grafts. Osteomyelitis (chronic). Osteomyelitis chronic. Types of HBOT Chambers Monoplace (individual) chambers. Monoplace chambers. Multiplace (multi-person) chambers. Multiplace chambers. Hard-shell chambers 2.0+ ATA capable. Hard-shell chambers 2.0+ ATA. Soft-shell chambers 1.3-1.5 ATA maximum. Soft-shell chambers limited. Hospital-based programs. Hospital-based programs. Standalone HBOT centers. Standalone HBOT centers. Finding a Qualified HBOT Provider UHMS (Undersea and Hyperbaric Medical Society) accreditation. UHMS accreditation. Board-certified hyperbaric physician. Board-certified physician. Hard-shell chamber for 2.0+ ATA treatment. Hard-shell chamber. Concussion experience. Concussion experience. Discussion with concussion specialist. Specialist discussion. VA HBOT programs. VA HBOT programs. Supporting Mobility Routine These exercises support recovery through nervous system regulation. JME 155 Diaphragmatic breathing supports vagal tone and parasympathetic regulation during concussion recovery. 10 breaths every 60-90 minutes. JME 14 Chin tucks reduce upper cervical tension common in concussion injury. 10 repetitions with 5-second holds. JME 1 Cervical rotation supports cerebral blood flow and nervous system regulation. 10 repetitions each direction. JME 150 Thoracic rotation restores breathing depth shallow during concussion recovery. 8 repetitions per direction. Start your 3-day free trial for joint-specific mobility programs that support nervous system regulation through concussion recovery. Common Mistakes About HBOT for Concussion Assuming FDA approval for concussion. Not FDA-approved. Using instead of evidence-based treatments. Adjunctive not replacement. Skipping standard treatments first. Standard treatments first. Not discussing with concussion specialist. Specialist discussion essential. Choosing soft-shell chamber for treatment. Hard-shell chamber better. Is HBOT covered by insurance for concussion? Insurance coverage for HBOT in concussion is limited because HBOT is not FDA-approved for concussion. Some plans cover FDA-approved indications only. VA programs sometimes cover HBOT for veterans with concussion. Cash pay common. Verify coverage before starting. Payment plans sometimes available. How much does HBOT cost for concussion? HBOT for concussion typically costs $100-$500 per session with 40-60 sessions in initial course. Total cost commonly $4,000-$30,000. Costs vary by facility, chamber type, and geographic location. Hard-shell chambers with higher pressures typically cost more per session. Cash pay common due to limited insurance coverage. Does HBOT actually work for concussion? Evidence is mixed. Some trials show symptom improvement in PCS patients. Other trials show placebo response equivalent to HBOT. Debate exists about whether sham low-pressure air treatment has therapeutic effect. Consensus guidelines consider HBOT investigational for concussion. Reasonable adjunctive treatment for chronic PCS after risk-benefit discussion. How long does HBOT treatment take? HBOT course for concussion typically 40-60 sessions over 8-12 weeks. Sessions 60-90 minutes each. Typically 5 sessions per week. Total time investment 40-90 hours over 2-3 months. Time and cost significant. Reassessment every 20 sessions determines continuation. What is the difference between hard-shell and soft-shell HBOT chambers? Hard-shell chambers achieve 2.0+ ATA pressures used in research trials. Soft-shell chambers limited to 1.3-1.5 ATA maximum. Research supporting HBOT for concussion typically uses 1.5-2.4 ATA pressures achievable only in hard-shell chambers. Soft-shell chambers not equivalent for clinical benefit. Hard-shell chamber preferred for concussion treatment. References Patricios, J. S., et al. (2023). Consensus statement on concussion in sport: the 6th International Conference on Concussion in Sport, Amsterdam, October 2022. British Journal of Sports Medicine, 57(11), 695-711. PubMed Silverberg, N. D., et al. (2020). Management of concussion and mild traumatic brain injury: a synthesis of practice guidelines. Archives of Physical Medicine and Rehabilitation, 101(2), 382-393. PubMed