Dangers of Wearing an Oxygen Mask

There are many devices designed to deliver oxygen to patients. When used properly, each oxygen delivery device can be an effective tool to help improve a patient’s oxygen levels in his or her blood. In this article, we will compare two delivery devices: the nasal cannula and oxygen mask.

Nasal Cannula

The nasal cannula is the most common oxygen delivery device used today. The cannula is comprised of two prongs that fit gently into the nostrils, with smaller tubing that loops over the ears and under the chin with a sliding nut that snugs the cannula in place so that it doesn’t dislodge. The standard adult nasal cannula can run as low as ½ liter per minute to as much as 6 liters per minute. As a rule of thumb, the nasal cannula delivers 24% of oxygen at one liter, with an increase of 4% of oxygen for each additional liter flow. So, at 2 liters, the cannula would deliver 28%, at 3 liters, the cannula would deliver 32%, and so on up to 6 liters. This rule is an estimate at best as respiratory rate and depth of breathing affect the percentage of oxygen being delivered to the patient. The nasal cannula comes in a variety of configurations for different age groups and flow levels. For the purposes of comparison in this article, we will be discussing the standard adult cannula, which is the most commonly used.

Oxygen Mask

The oxygen mask is made from a soft polymer that fits over both the nose and mouth. There are very small holes on each side of the mask for ventilation purposes. The oxygen tube connects to the front lower portion of the mask. There is an elastic strap which slips over the head to hold the mask into position. The recommended flow rate range of the simple mask is 6 to 10 liters per minute and the oxygen percentages vary from 40% to 60%. A minimum flow of 6 liters is necessary to help “flush” out the patients exhaled carbon dioxide which passes through the small holes on the sides of the mask previously mentioned.

Weighing Your Options

As far as comfort, the nasal cannula is more comfortable than the simple mask; it is smaller, lighter and cooler to wear than the mask. The oxygen mask is bulkier and warm on the face. Some patients get a feeling of claustrophobia while wearing the oxygen mask.

More important than comfort is the clinical functionality of the nasal cannula over the oxygen mask. If you have been diagnosed with Chronic Obstructive Pulmonary Disease, (COPD) more oxygen is not necessarily better. Oxygen levels for patients with COPD are effectively maintained on low flow, low dose oxygen, using 1 to 3 liters per minute, which equates to approximately 24 % to 32% oxygen. A COPD patient receiving higher percentages of oxygen, such as what the simple mask delivers, could potentially elevate their carbon dioxide levels to dangerously high levels which would be detrimental to their health. As previously noted, you cannot safely run an oxygen mask at less than 6 liters per minute because exhaled carbon dioxide would not be flushed out of the mask causing carbon dioxide levels to increase.

In review, the nasal cannula is today’s choice for delivering safe and effective oxygen to the patient with Chronic Obstructive Lung Disease. Unless you have specific circumstances and it is prescribed by your physician, the COPD patient should not wear a simple oxygen mask as it could raise your carbon dioxide levels and potentially compromise your health.

Posted By oxygo in COPD, Oxygen, Oxygen Safety, Oxygen Tips, POC, Resources

Related Posts

What is Medical Oxygen and Why Do You Need a Prescription for It?

Breathing is something most people don’t think twice about—until it becomes difficult. For those with respiratory conditions, supplemental oxygen can be life-changing. However, not all oxygen is the same. Medical-grade oxygen is a specific type of oxygen that is highly regulated, requires a prescription, and is distinct from the air we breathe. Here’s what you need to know about what makes medical-grade oxygen unique and why it requires a doctor’s approval. What Is Medical-Grade Oxygen? Medical-grade oxygen, also known as Oxygen, USP, is oxygen that meets strict purity and safety standards set by regulatory agencies such as the FDA in the United States. The term USP stands for United States Pharmacopeia, which is a national set of guidelines that defines the quality, strength, and purity of medications and health products. For oxygen to be labeled as USP, it must be at least 99.0% pure and free from contaminants and impurities that could be harmful to those using it for medical

Apr 08, 2025 Posted By Kate Wildenthaler

Managing COPD Symptoms in Colder Weather

Living with COPD (Chronic Obstructive Pulmonary Disease) can be challenging year-round, but cold weather can exacerbate symptoms. The drop in temperature, dry air, and increased risk of respiratory infections can all make it harder to breathe. Here, we’ll explore tips to manage COPD symptoms during colder months and how oxygen therapy can help keep you comfortable and safe.   How Does Cold Weather Affect COPD? Cold air can irritate the airways, causing them to narrow, which makes it harder to breathe. Additionally, when the air is dry, it can worsen symptoms like shortness of breath, wheezing, and coughing. Colder temperatures also increase the risk of respiratory infections like the flu or pneumonia, which can cause further complications for those with COPD.   Tips for Managing COPD in the Cold Dress Warmly and Cover Your Face: Keeping your body warm can help reduce stress on your respiratory system. Wear layers and use a scarf to cover your mouth and nose when outside. This

Jan 22, 2025 Posted By Kate Wildenthaler

Understanding COPD and Its Impact on the Cardiovascular System

Chronic Obstructive Pulmonary Disease (COPD) affects millions of people worldwide, and its impact goes beyond the lungs. This post explores how COPD contributes to heart problems and why managing your condition is essential for heart health.   What Is COPD? COPD is a chronic condition that restricts airflow, causing breathing difficulties. It includes emphysema and chronic bronchitis, leading to symptoms like shortness of breath, coughing, and mucus production. Key Statistics on COPD More than 16 million Americans have been diagnosed with COPD, and many more may suffer without realizing it. COPD is in the top ten leading causes of death in  the U.S., making awareness and early treatment critical for improving COPD prognosis and overall well-being. How COPD Affects the Cardiovascular System The respiratory and cardiovascular systems work together to deliver oxygen to the body. When COPD limits oxygen intake, the heart works harder, leading to complications like pulmonary hypertension,

Jan 13, 2025 Posted By Kate Wildenthaler

OxyGo CEO Announced as a winner in 2020 Smart 50 Awards

              Victoria Marquard Schultz/OxyGo Announced as winner in 2020 Smart 50 Awards. The Smart 50 Awards, presented by Smart Business, honor the top 50 executives in the Greater Cleveland region Westlake, OH. – October 30th, 2020 – OxyGo LLC, a leader in lightweight portable oxygen concentrators, announced in a virtual ceremony that Victoria Marquard-Schultz, OxyGo’s CEO, was named a Smart 50 winner by Smart Business Magazine for the second year in a row. The Smart 50 Awards presented by Smart Business honor the top executives of the region’s smartest 50 companies for their ability to effectively build and lead successful organizations. “The only thing better than winning a Smart 50 is winning twice. I am truly honored to be among this prestigious group. With COVID-19 our team and providers have had to find new ways to safely and effectively adapt to an ever-changing world. Receiving this award wouldn’t

Nov 24, 2020 Posted By Brittany Fichter

Most Recent

One Million Lives Touched!

Posted By Dan Carbone
May 21, 2026 Category: General

Did you know that through all of your hard work OxyGo has  helped over one million oxygen patients? Over the course of the last six years, our company has touched over 1,000,000 oxygen patients lives! Whether with an OxyGo unit, one of our accessories, or an Applied Home Healthcare transfilling product - over 1,000,000 oxygen patients have used one of our company's products.   To celebrate this amazing feat, we are going to have a series of celebratory events over the remaining year. To kick off our celebration, we will have a companywide luncheon on June 24th. It will begin at 11:30 AM EST, with a simulcast of a presentation from the former CEO of Inogen and our company leadership. After the presentation we will have box lunches available for team members to enjoy together or socially distanced depending on your vaccination status.   Further celebrations are in the works, but save the date for October 27th for our OxyGo impact awards where we will be recognizing suppliers and having a big celebration to recognize this

2019 Smart 50 Awards (Clone)

Posted By Brittany Fichter
May 21, 2026 Category: News, POC, Award, Ceo, Cleveland, Smart50

Victoria Marquard Schultz/OxyGo Announced as a winner in 2019 Smart 50 Awards

Example Blog Post (Drafts)

Posted By Dan Carbone
May 21, 2026 Category: General

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna

A Note About Accessibility:

This site is under review to determine what aspects of our site do not perform to standards set by the WCAG 2.0 level AA for website accessibility. We are working diligently to bring our site up to this accessibility standard. If you are unable to access any features or content during this review, please contact info@oxygo.life. Your feedback will assist our company in providing the desired information to you via a different method.

©   OxyGo HQ Florida, LLC.   All rights reserved.  Site by Premier Designs.