What is Fractional Exhaled Nitric Oxide (FeNO) Testing? Fact Sheet

Cover of What Is Fractional Exhaled Nitric Oxide (FeNO) Testing?
Overview

A FeNO test measures the amount of nitric oxide, a byproduct of inflammation, in the air you breathe out. Your health care provider might use a FeNO test to help confirm an asthma diagnosis or approach to treatment. This 2-page fact sheet describes how the test works and when your health care provider may use it.

Print Length:
2 pages
Publication Date:
Language:
English
Audience:
General Public & Patients
Related Health Topics:

Web-only Publications

This item is only available online for download and self-printing.
Download