Oxygen supplementation

If I go to the rockies, should I take oxygen supplementation?

Can I use oxygen supplementation on an airplane?

How is it that oxygen supplementation is contraindicated for pts with obstructive lung diseas?

Why oxygen supplementation contraindicated with obstructive lung disease?

Why is oxygen supplementation not suppose to be dialed up higher, with an obstructive lung disease patient?

How dangerous is it to have spo2 dropped to 80% while treated with oxygen supplement? What's the next step if oxygen supp. Doesn't help.

I use oxygen mostly at night. Is there any vitamin supplement that can improve my saturation numbers?

Can hyperbaric oxygen therapy be used to supplement normal diabetes management to protect limb health?

Is it true that hyperbaric oxygen therapy be used to supplement normal diabetes management to ensure good limb health?

My mom is being treated for COVID19 related pneumonia. Her O2 is 95-96 while on o2 supplement and 91-93 without. Shes been at the hospital for a week now . Her other symptoms are better. When is it safe to go home ? ( temperature is 98 )