Ozone therapy

Ozone therapy is a form of alternative medicine treatment that purports to increase the amount of oxygen in the body through the introduction of ozone. Various techniques have been suggested, with purported benefits including the treatment of cancer, AIDS, and multiple sclerosis, among others. There is no credible, peer reviewed evidence to support the use of ozone as a type of medical therapy.

Ozone therapy consists of the introduction of ozone into the body via various methods, usually involving its mixture with various gases and liquids before injection, with potential routes including the vagina, rectum, intramuscular (in a muscle), subcutaneously (under the skin), or intravenously (directly into veins). Ozone can also be introduced via autohemotherapy, in which blood is drawn from the patient, exposed to ozone and re-injected into the patient.

This therapy has been proposed for use in various diseases, including cancer, AIDS, multiple sclerosis, arthritis, heart disease, Alzheimer's dementia, Lyme disease, though supportive evidence for these applications is limited. Theories about the ability of ozone to kill tumor cells with oxygen have no credible scientific basis. For treatment of HIV/AIDS, although ozone deactivates the viral particles outside the body, there is no evidence of benefit for living patients.

The United States Food and Drug Administration initially stated in 1976, and reiterated its position in 2006, that when inhaled, ozone is a toxic gas which has no demonstrated safe medical application, though their position statements primarily deal with its potential for causing inflammation and pulmonary edema in the lungs. Their second major contention is that in order for ozone to be effective as a germicide, it must be present in a concentration far greater than can be safely tolerated by humans or other animals.

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