Non-rebreather masks are used to deliver oxygen therapy to people who require high-concentration oxygen but aren’t in need of breathing assistance. They’re considered low-flow oxygen delivery systems.

A non-rebreather mask is a special medical device that helps provide you with oxygen in emergencies. These masks help people who can still breathe on their own but need a lot of extra oxygen.

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Wearing a mask to protect against transmission of COVID-19 does not decrease oxygen saturation, ...

Please provide your email address to receive an email when new articles are posted on . Wearing a mask does not affect oxygen saturation in patients with or without asthma, according to research ...

If you've ever traveled on an airplane, you know that masks can drop down to supply oxygen in the case of an emergency. Airline oxygen masks have about a 15-minute supply and typically fall when an ...

Wearing a mask is proven by evidence to reduce the risk of coronavirus, despite common myths and misinformation that it is unsafe or ineffective.