Why doesn't supplemental oxygen prevent me from getting short of breath?

When you have chronic obstructive pulmonary (COPD), low oxygen levels are actually caused by the failure of blood vessels in your lungs to connect with the air sacs that contain oxygen. Your lungs may still be able to support that connection, but you may be short of breath due to other factors, such as hyperinflation, retained carbon dioxide and a flattened diaphragm, increasing your work of breathing. 

Continue Learning about Respiratory Therapy

How long do hyperbaric oxygen therapy treatments last?
Lakeview HospitalLakeview Hospital
Hyperbaric oxygen therapy usually involves treatment every day, Monday through Friday, for two hours...
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Is my oxygen supplier required to provide an oxygen concentrator if I fly?
COPD FoundationCOPD Foundation
No. If you have chronic obstructive pulmonary disease (COPD) and require oxygen therapy, your oxygen...
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How can I prepare for hyperbaric oxygen therapy?
Medical City PlanoMedical City Plano
If you are getting hyperbaric oxygen therapy you should tell your medical provider about any heart o...
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How does hyperbaric oxygen therapy (HbOT) work?
Multiple Sclerosis FoundationMultiple Sclerosis Foundation
Hyperbaric oxygen therapy (HbOT) entails reclining within a pressurized chamber with varying degrees...
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.