1 doctor weighed in:

What is a nasal cannula?

1 doctor weighed in
Dr. Richard Bensinger
Ophthalmology

In brief: Tube into nose

Nasal cannulas allow the entrance of controlled gases (usually oxygen) to the lungs and nutrition to the stomach.
It would be impractical and uncomfortable to have this delivered through the mouth.

In brief: Tube into nose

Nasal cannulas allow the entrance of controlled gases (usually oxygen) to the lungs and nutrition to the stomach.
It would be impractical and uncomfortable to have this delivered through the mouth.
Dr. Richard Bensinger
Dr. Richard Bensinger
Thank
Get help from a real doctor now
Dr. William Forsythe
Board Certified,
23 years in practice
171K people helped
Continue
108,000 doctors available
Read more answers from doctors