HBOT for Concussion Recovery in Pasadena: A Smarter Path Back to Full Function
/A concussion is a brain injury. Not a bump, not a "bell ringer," not something you walk off. When your brain is shaken inside your skull — whether from a sports collision, a fall, a car accident, or any other impact — the result is a complex cascade of neurological events that can take far longer to resolve than most patients are led to believe.
The standard advice — rest, avoid screens, wait it out — addresses the first phase of recovery. But for patients dealing with persistent symptoms weeks or months after the initial injury, that approach is often not enough. That's where Hyperbaric Oxygen Therapy (HBOT) enters the recovery equation.
At HealthFit in Pasadena, we approach concussion recovery with the same precision we apply to every complex clinical case: a thorough evaluation, individualized protocols, and a clinical team that coordinates every element of your care. Here's what the evidence shows about HBOT for concussion — and what a real protocol looks like.
Why Concussion Recovery Stalls — and What's Really Happening in Your Brain
A concussion disrupts normal brain function through a combination of mechanical trauma and a metabolic crisis that follows. When brain tissue is injured, neurons fire uncontrollably, consuming massive amounts of energy. At the same time, blood flow to the affected areas is disrupted, reducing the oxygen supply available to fuel recovery. The brain is trying to repair itself in an environment that doesn't have what it needs.
This mismatch — high energy demand, low oxygen supply — is what drives the persistent symptoms so many concussion patients experience long after the initial injury has "healed":
Brain Fog
Difficulty thinking clearly, processing speed slows, word retrieval problems
Headaches
Persistent or exercise-triggered headaches that don't respond to standard treatment
Sleep Disruption
Difficulty falling asleep, staying asleep, or feeling rested regardless of hours slept
Mood Changes
Irritability, anxiety, emotional dysregulation out of proportion to circumstances
Visual Symptoms
Light sensitivity, difficulty reading, visual fatigue, and eye strain
Dizziness & Balance
Vestibular disruption, off-balance feeling, nausea with movement or screens
If you are three, four, or six weeks post-concussion and still experiencing any combination of the above, you are likely dealing with post-concussion syndrome — a prolonged recovery state that rest alone will not resolve. This is where targeted intervention makes a measurable difference.
How HBOT Addresses the Root Cause of Post-Concussion Symptoms
HBOT does not treat symptoms in isolation. It addresses the underlying oxygen deficit in injured brain tissue — the environment in which all other recovery processes either succeed or stall. By breathing pure oxygen in a pressurized chamber, your blood plasma becomes saturated with dissolved oxygen, delivering significantly more O₂ to areas of the brain that are metabolically compromised.
Acute Concussion Phase
Reduces neuroinflammation rapidly
Restores oxygen to energy-depleted neurons
Limits secondary injury from the metabolic cascade
Supports blood-brain barrier integrity
Reduces intracranial pressure and swelling
Post-Concussion / Chronic Phase
Promotes neuroplasticity — new neural pathway formation
Reactivates dormant neurons in hypoxic regions
Stimulates VEGF signaling for vascular repair
Reduces persistent neuroinflammation driving symptoms
Supports mitochondrial energy restoration in brain cells
A 2025 retrospective cohort study published in Frontiers in Neurology documented significant improvements in post-concussion symptoms in adults following HBOT. A 2025 randomized controlled trial published in Scientific Reports showed meaningful improvement in persistent symptoms after brain injury in HBOT participants. A broad meta-analysis published in Neurology confirmed that TBI patients receiving HBOT showed significantly improved general cognitive scores, memory, attention, and executive function compared to baseline.
Important context on the research: The evidence for HBOT in concussion is strongest for post-concussion syndrome (persistent symptoms beyond 4 weeks) and chronic TBI presentations. Early intervention also shows benefit for limiting secondary injury in the acute phase. The patient population that responds best is those with documented metabolic dysfunction in the affected brain regions — which is why HealthFit performs a thorough clinical evaluation before building any HBOT protocol.
What a Real HBOT Concussion Protocol Looks Like at HealthFit
Most concussion protocols begin with a symptom checklist. HealthFit begins with a comprehensive clinical evaluation. Before recommending HBOT or any other intervention, we take a thorough history: the mechanism of injury, all current and prior symptoms, any previous concussions, what has and hasn't helped, and your specific functional goals — whether that means returning to sport, getting back to work, or simply sleeping through the night again.
That evaluation drives your protocol. HBOT is not offered as a stand-alone service. For most concussion patients, it is the primary neurological intervention — working alongside vestibular rehabilitation, Physical Therapy to address cervicogenic contributors (upper cervical and neck dysfunction is a frequently missed driver of post-concussion headaches and dizziness), and Chiropractic care when indicated. Everything is coordinated under one roof, by a team that communicates directly.
HBOT sessions at HealthFit are 60 minutes inside our spacious hyperbaric chamber. Many patients find the sessions restful. Your clinical team monitors every session, and your progress is tracked against your intake symptoms and clinical findings at regular intervals — so you always know where you stand and what the next phase of your protocol looks like.
Integrated care matters: Complex concussion cases are rarely solved by one provider working in isolation. If you are currently working with a neurologist, sports medicine physician, or mental health provider, we coordinate care directly with your existing team. Better outcomes come from systems — not silos.
How Many HBOT Sessions Does Concussion Recovery Require?
Session count varies significantly based on how long ago the injury occurred, the severity of the initial concussion, and whether you are dealing with a single-event injury or the cumulative effects of repeated concussions. At HealthFit, we build protocols around your clinical presentation and symptom profile — not a generic number. The table below reflects general guidelines based on current clinical evidence and our experience treating concussion patients.
| Presentation | Recommended HBOT Sessions |
Typical Frequency |
When to Expect Results |
|---|---|---|---|
| Acute concussion (within first 2 weeks) | 10–15 sessions | 5x per week | Sessions 5–10 |
| Sub-acute (2–8 weeks post-injury) | 15–25 sessions | 4–5x per week | Sessions 8–14 |
| Post-concussion syndrome (8+ weeks) | 25–40 sessions | Daily (5x per week) | Sessions 12–20 |
| Chronic TBI / repeated concussions | 40–60 sessions | Daily (5x per week) | Sessions 15–25 |
| Youth / adolescent concussion | 10–20 sessions | 4–5x per week | Sessions 6–12 |
| Starting point for all concussion patients | Minimum 10 sessions | 4–5x per week | Results build cumulatively |
A note on expectations: HBOT for concussion is not a single-session fix. The neuroplastic changes, vascular repair, and metabolic restoration that produce lasting symptom relief are cumulative — they build over the course of a full protocol, not within the first few sessions. Patients who report "I tried HBOT and it didn't work" almost always completed fewer than 5 sessions. We set precise expectations at intake so you understand exactly what the protocol involves before you begin.
What You Need to Know
A concussion creates a metabolic crisis in brain tissue — high energy demand, disrupted oxygen supply — that drives persistent symptoms long after the initial injury.
HBOT saturates blood plasma with oxygen under pressure, directly addressing the oxygen deficit that stalls brain recovery.
Key mechanisms include reduced neuroinflammation, vascular repair, neuroplasticity stimulation, and restoration of metabolic function in dormant neurons.
A 2025 RCT and multiple meta-analyses confirm meaningful cognitive improvement in TBI and post-concussion patients following HBOT protocols.
Minimum 10 sessions as a starting point — post-concussion syndrome and chronic TBI cases typically require 25–60 sessions for full benefit.
HealthFit integrates HBOT with vestibular rehab, Physical Therapy, and Chiropractic care — a fully coordinated concussion protocol, not a single-modality approach.
Dr. Jason Han has managed concussion recovery at the elite level — LAFC, Pittsburgh Steelers, Cirque du Soleil — and brings that precision to every patient at HealthFit Pasadena.
Frequently Asked Questions
How long after a concussion should I wait before starting HBOT?
The earlier the better — but it is never too late. Starting HBOT within the first 1–2 weeks after a concussion can help limit secondary brain injury and support faster initial recovery. For patients dealing with persistent post-concussion symptoms months or even years after their injury, HBOT can still produce meaningful neuroplastic changes. The research supports benefit at both acute and chronic timeframes. We will evaluate exactly where you are in your recovery at your intake consultation and build your protocol from there.
Is HBOT safe for concussion patients?
HBOT has a strong safety profile and has been studied extensively in TBI and concussion populations. Every patient at HealthFit undergoes a thorough health history review before beginning. There are specific contraindications — including untreated pneumothorax and certain ear conditions — that we screen for at intake. We will discuss any concerns thoroughly before your first session, and every session is clinically supervised by a trained member of our team.
Can HBOT help with post-concussion syndrome even years after the original injury?
Yes — and this is one of the most important things to understand about HBOT for brain injury. The brain retains neuroplasticity throughout life, and research has documented meaningful improvements in patients with chronic TBI and long-standing post-concussion syndrome following HBOT. A 2025 retrospective study specifically evaluated adults with post-concussion symptoms stemming from childhood TBI and found significant improvements. Chronicity does not disqualify you from benefit — though it typically means a longer protocol is required.
What other therapies does HealthFit combine with HBOT for concussion?
HBOT is most effective as part of an integrated protocol. At HealthFit, we commonly pair HBOT with vestibular rehabilitation for dizziness and balance issues, Physical Therapy to address cervicogenic contributors to headaches (tight or dysfunctional structures in the neck and upper spine frequently drive post-concussion head pain), and Chiropractic care with Dr. Kelli Han when structural factors are involved. All care is coordinated in one facility, with one clinical team — no referrals to unfamiliar providers, no gaps in communication.
What if I have had multiple concussions?
Multiple concussions — particularly those with short recovery windows between them — often produce cumulative neurological effects that go beyond what any single injury would cause. Patients with repeated concussions typically require longer HBOT protocols and benefit most from a comprehensive clinical evaluation before beginning. Dr. Han has worked with athletes at the elite level managing exactly these cases. We will build a protocol specific to your full history — not just your most recent injury.
Can children and adolescents use HBOT for concussion recovery?
Yes. Youth and adolescent concussion patients can benefit from HBOT, and the developing brain may respond well to the neuroplasticity-stimulating effects of the therapy. Protocols for younger patients are typically shorter and adjusted to their specific presentation. We work closely with parents and the patient's existing care team — pediatrician, neurologist, school staff — to ensure HBOT fits appropriately within the overall recovery plan and return-to-play timeline.
Still Struggling After a Concussion? Let's Build a Real Plan.
Post-concussion symptoms are not something to push through or wait out indefinitely. HealthFit's integrated HBOT protocol gives your brain a precise, measurable path back to full function — in Pasadena, with a clinical team that takes your recovery seriously.
Schedule Your Consultation Or call us directly: (626) 365-1380 · HealthFit Pasadena
About the Author: Dr. Jason Han, DPT, SCS
Dr. Jason Han is the founder and Clinical Director of HealthFit Physical Therapy, Chiropractic & Wellness in Pasadena, CA. A Doctor of Physical Therapy and board-certified Sports Clinical Specialist, he served as Head of Rehabilitation for the Los Angeles Football Club (LAFC), and previously worked with the Pittsburgh Steelers and Cirque du Soleil. He is a former member of the U.S. National Taekwondo Team and the author of The Martial Art of Listening. Dr. Han and Dr. Kelli Han are among Pasadena's most experienced concussion specialists, combining clinical precision and integrated care to produce outcomes that standard protocols miss.
