Talk to your MD: If you were prescribed nighttime oxygen it is very important to use it. Oxygen can be delivered by nasal cannula or "blow by" and tends to dry out the mucous membranes in your nose, for which a humidifier can sometimes be useful. Please communicate with the Dr. that prescribed your oxygen if you have any concerns. Clear secretions may indicate you do have a cold- hopefully a mild cold. Good luck.
Answered 3/7/2018
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