01/12/2026
Supplemental oxygen therapy brings oxygen to your lungs if you’re not getting enough. You might need supplemental oxygen if you have certain long-term health conditions or an infection. Providers also give it during medical emergencies and surgery. Supplemental oxygen comes from a tank or machine and delivers oxygen through a mask or cannula.
Supplemental oxygen therapy helps people with breathing problems get the oxygen their bodies need to function. There are different types of oxygen therapy.