A 46-year-old member asked:
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could breathing 100% o2 be bad for copd patients?

3 doctor answers
Dr. Robert Kwok
32 years experience Pediatrics
Depends on patient: Oxygen in tanks is "100% oxygen", and should be considered a medication. The amount of "100% oxygen" used varies from patient to patient. The oxygen from the tank mixes with air from the environment, so that a patient breathes in somewhat enriched air. Doctors do worry that if a COPD patient gets too much oxygen, he will take fewer breaths per minute, and make his carbon dioxide level go too high.
Answered on Jun 10, 2014
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Dr. Jose Medina-Bairan
35 years experience Pulmonary Critical Care
Oxygen and COPD: Yes, and to anybody without copd.
Answered on May 2, 2013
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2 thanks
Dr. Sue Ferranti
28 years experience Internal Medicine
Yes...: Supplemental oxygen is a medicine and there is such a thing as taking too much. Too much oxygen for a period of time leads to scarring in the lungs which is irreversible. Supplemental oxygen should only be given when the oxygen level is low enough to warrant it and at the lowest dose necessary to avoid these complications.
Answered on Aug 31, 2012
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1 thank

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