Does wearing Facemasks reduce oxygen level- Truth or Myth?

Facemasks have been a trending subject since the early rise of COVID-19. As the CDC recommends facemasks as a crucial tool to fight against COVID-19, the global has been following this trend. Besides this, the CDC also takes social distancing as an important tool to reduce coronavirus infection.

Wearing face masks can really be a great initiative to fight against the COVID-19 pandemic, according to public health officials. However, recently there has arrived some serious doubts and opposing statement against this. A bunch of public agrees that wearing a mask can reduce their chance of coronavirus infection but some have other views. Some people say that facemasks act as a major barrier in our daily oxygen intake. They even claim that wearing a facemask for a longer period can make you feel faint or light-headed.

facemasks corona

And in this clash between the two different claims about facemasks, it’s hard to take a side of the right one. Wearing facemasks can significantly reduce oxygen level, is this a truth or a myth? Well, let’s find out here.

Can facemasks reduce the oxygen levels in the body?

Since the early rise of this statement amongst the public, a variety of incidents have come into play. In New Jersey, USA, a driver suddenly crashed his SUV into a pole after passing out inside his car. When asked by the police, he blamed this collision on the N95 mask, he was wearing. He told the officers that he suddenly passed out feeling fainted after wearing the N 95 masks for a longer period. Under investigation, the officers also found that “insufficient oxygen intake” was the reason behind his car crash as he was the only person in the car.

facemasks oxygen levels

The officers had also posted about the incident on Facebook where the post was shared for than 2,700 times. They also came to the conclusion that excessive wearing of N 95 masks can be a contributing factor in lowering oxygen intake.  (source:


What does the National Institutes of Health (NIH) say?

According to NIH, wearing facemasks for a longer period can be pretty dangerous but in rare cases. It might possibly cause headaches, suffocation, double vision, vertigo, and other possible breathing difficulties.

Also Read: 5 Best Tips to Boost up your immune system

Does every facemask affect oxygen levels in a similar way?

Each and every facemask is not built in a similar way. As facemasks are not built with similar material and fitting, it might affect the CO2 and oxygen levels accordingly. According to the health officials, N 95 masks are considered the best ones mostly to protect the spread of COVID-19 infection. However, others believe that any type of face masks with a good material body can resist the infection.

N95 Masks

Takes on N 95 masks……

Some of the users of N95 masks even complain that it’s uncomfortable to wear and cause breathing difficulty. Well, everyone has mixed reviews on it.

So, what’s the bottom line in this case? 

Well, we believe a regularly used mask should protect you from the coronavirus infection while shouldn’t cause you any breathing difficulty either. Therefore, when wearing facemasks, make sure that it completely covers your nose and mouth while feels loose too. A mask should not make you feel suffocated while breathing. If you repeatedly wear a facemask causing airways cut off, it has a high risk to cause you breathlessness and suffocation.

Some people feel comfortable wearing N95 masks while some don’t. Therefore, don’t make a particular mask mandatory for your daily usage. Instead, choose the one that protects and covers your face while also provide you ease in breathing.

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