International rap sensation Cardi B is known for her outspoken style and high-energy performances. However, after one of his recent concerts in Denver, some videos surfaced on social media which worried his fans. In the video, Cardi B was seen using an oxygen mask backstage. In this video that went viral as soon as the performance ended, it was seen that Cardi B was having difficulty breathing, after which she was given medical oxygen. As soon as this clip spread on the internet, speculations about his health intensified among fans.
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Videos of the incident quickly spread on social media, leaving fans curious to know why the artiste needed extra oxygen during the show. Speaking about the situation herself, Cardi B took the moment lightly. In a video filmed backstage, he joked about the city’s thin air, saying, “Denver air, it’s a different kind of MF air.”
What do experts say?
Medical experts say that people coming from low altitude often take time to adjust to high altitude environment. Low oxygen levels can cause symptoms such as shortness of breath, fatigue, dizziness and rapid breathing – these effects are more pronounced during physically demanding activities like singing and dancing.
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For performers and athletes, it is not uncommon to use supplemental oxygen in such situations. Many touring artists use similar methods to help their bodies handle changes in altitude, especially during high-energy shows. In most cases, the need for extra oxygen is temporary until the body acclimatizes.
This moment also came at a time when Cardi B was struggling with personal difficulties following the news of her split from Stefon Diggs. Although the oxygen mask incident was mostly related to Denver’s altitude, some fans on social media speculated whether the emotional stress of recent headlines may have added to the pressure behind the scenes.
Despite that brief moment backstage, the rapper completed her performance successfully and appeared to be in good mood. Cardi B later joked about the experience.
Cardi B was forced to use an oxygen mask backstage at her Denver show because of the high altitude:
“Denver air, it’s a different type of mf air”
— My Mixtapez (@mymixtapez) March 10, 2026