About Under
Pressure HBOT

What drives us?

At Under Pressure, our goal is to provide all of our patients with this non-invasive, holistic treatment in order to better their daily lives in ways they never thought possible.

We have only scratched the surface with all the applications Hyperbaric Oxygen Therapy can potentially have. As more research is conducted around the world about the effectiveness of HBOT with many different conditions, we will continue to pursuit providing the highest level of care and provide the best patient experience we can.


  • Under Pressure open its doors in 2008 and has since been a leader in Hyperbaric Oxygen Therapy in the GTA.
  • Trusted by people all across Ontario and Canada, having over 40,000 treatments successfully completed.
  • Located in Clarkson Village in the south end of Mississauga.
  • Situated just off a main road, The clinic is easily reached by car, bus, or train.
  • Guests/Loved ones are able to enjoy Clarkson’s amenities (Cafés, shops, restaurants, parks) while the patient is in treatment.

To know more about the our clinic call us or visit our clinic today!


At Under Pressure, we believe that every person that is able too, should experience the benefits HBOT provides, even if you do not have a specific condition you want treated.

Under Pressure has a highly trained medical staff that is able to provide each patient with the best care possible.

  • Doctors trained in Hyperbaric Medicine

    • Emergency Medicine
    • Internal Medicine
  • Hyperbaric Technician staff that are trained in a multitude of backgrounds

    • Registered Nurses
    • Registered Practical Nurses
    • Respiratory Therapists
    • Paramedics
  • Administrative/Management team will cater to your needs outside of treatment.


Under Pressure is equipped with 8 Sechrist 3600E chambers.

These chambers are state-of-the-art, utilizing a unique automated pressurizing process. This allows the chambers to pressurize more consistently, meaning a smoother, quieter experience for the patient.

Each Chamber is equipped with its own 24’ Smart Tv. During treatment patients are able to stream a TV Show/Movie (Netflix, Amazon Prime, YouTube available) if they wish.


Watch what they says about our treatments and services

Want to speak with us about HBOT and our services?

We’re here to help you!


Become a Patient

We are here to help! Learn more about our services and scheduling a comprehensive consultation with our trained Hyperbaric Physicians.

*Consultation OHIP covered with medical doctor’s referral

Business Hours

  • MONDAY – FRIDAY 8:00 am to 4:00 pm