Ozone Therapy
Ozone Therapy is a complementary medical approach that involves the controlled use of medical ozone, a mixture of oxygen and ozone prepared at specific concentrations for different medical applications.
Ozone has attracted scientific interest because of its interaction with biological systems, particularly pathways involved in oxidative balance, inflammatory responses, and cellular signaling. However, the clinical evidence varies considerably depending on the medical condition, route of administration, and treatment protocol.
For this reason, ozone therapy should not be considered a replacement for established medical treatments. Its potential role should be evaluated according to the patient’s individual medical condition and the available clinical evidence.
How Does Ozone Therapy Work?
Ozone is a highly reactive molecule. When used medically under controlled conditions, it can interact with biological molecules and generate compounds that may act as signaling molecules within the body.
Research has investigated its potential effects on:
- Oxidative and antioxidant balance.
- Inflammatory pathways.
- Certain immune responses.
- Tissue healing mechanisms.
- The biological environment surrounding cells.
However, demonstrating a biological effect does not necessarily mean that a treatment provides a proven clinical benefit for every condition. Further well-designed clinical trials are needed to establish appropriate indications, protocols, and long-term safety.
Medical Applications of Ozone Therapy
Ozone therapy has been investigated in several medical fields, including:
- Certain musculoskeletal disorders.
- Selected chronic wounds and ulcers.
- Some dermatological applications.
- Pain and inflammatory conditions.
- Tissue-healing applications.
- Certain dental applications.
The available evidence differs substantially between these applications. Some studies have reported promising findings, while others have shown insufficient evidence to support routine clinical use.
Ozone Therapy and Tissue Healing
One area of scientific interest is the potential use of ozone in wound management and tissue healing.
Research has investigated topical ozone-based approaches and other protocols in selected chronic wounds and ulcers. Some studies have reported improvements in specific wound-healing outcomes.
Nevertheless, these findings cannot be generalized to every type of wound. Additional high-quality clinical research is required to determine which patients may benefit and which treatment protocols are most appropriate.
Regen's Approach to Ozone Therapy
At Regen, treatment begins with a comprehensive medical assessment before determining whether a complementary therapy is appropriate for the patient.
Depending on the clinical evaluation, the program may include:
- Review of the patient’s medical history and current medications.
- Assessment of overall health.
- Identification of the therapeutic objectives.
- Selection of an appropriate treatment approach when medically indicated.
- Monitoring of the patient’s response.
- Integration with rehabilitation or other medical treatments when appropriate.
- Periodic reassessment of the treatment plan.
This approach allows complementary therapies to be considered within a broader medical framework rather than being used as substitutes for established treatments.
Is Ozone Therapy Safe?
The safety of ozone therapy depends largely on the route of administration, concentration, treatment protocol, and the patient’s overall health.
Ozone should not be inhaled because respiratory exposure can be harmful. Medical applications therefore differ significantly from uncontrolled exposure to ozone gas.
Current research also highlights limitations in long-term safety data, while treatment protocols vary considerably across clinical studies.
For these reasons, ozone therapy should only be administered by appropriately trained medical professionals following an individualized clinical assessment.
What Does Current Research Say?
Recent scientific reviews suggest that ozone has biological effects that warrant further investigation, but the evidence connecting these effects to consistent clinical benefits remains incomplete.
A comprehensive 2026 umbrella review of systematic reviews and meta-analyses of randomized clinical trials found that results varied between applications, with the certainty of evidence frequently rated as low or very low. The authors emphasized the need for larger, better-designed clinical trials before firm conclusions can be made about effectiveness and safety.
Therefore, ozone therapy is best considered a complementary or investigational approach for many applications, rather than a replacement for evidence-based medical treatment.

