Can I fly with low oxygen levels?

The current international guidelines state that if your oxygen saturation is expected to fall below 85% in- flight, a “High Altitude Simulation Test” should be performed to see whether oxygen is required on the flight and if so, how much oxygen is needed1.



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Sure, everyone knows that you have to use supplemental oxygen if you fly more than 30 minutes at cabin pressure altitudes of 12,500 feet or higher. And that at cabin altitudes above 14,000 feet pilots must use oxygen at all times.

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While the results tend to over-estimate the number of patients requiring in-flight oxygen, they are considered a safe “estimate” as to who can safely fly. Here is how the algorithm works: If the patient has resting saturations of less than 92% they require supplemental oxygen in-flight.

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Others will allow you to bring your own Federal Aviation Administration (FAA) approved portable oxygen concentrator (POC) onto the flight, but will often specify the type of device you can use. You should speak to your airline as early as possible to make sure that they are able to accommodate your needs.

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...you may be worried about flying. If your condition is well managed you should not have problems. Some people may find their symptoms get worse because of low humidity or allergens in the cabin. Make sure you pack your reliever inhaler in your hand luggage and continue to take all your medicines as prescribed.

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angina or chest pain at rest. an infectious disease (e.g. chickenpox, flu), including COVID-19. decompression sickness after diving (sometimes called 'the bends') increased pressure in the brain (due to bleeding, injury or infection)

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For most passengers, even those with respiratory disease, air travel is safe and comfortable. Some patients with COPD may be at risk but, with screening, these patients can be identified and most can travel safely with supplemental oxygen.

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