What Is FeNO Testing and How Can It Improve Asthma Care?
Asthma symptoms such as coughing, wheezing, chest tightness, and shortness of breath can change over time. Symptoms alone, however, do not always show how much inflammation is present inside the airways. Fractional exhaled nitric oxide testing, commonly called FeNO testing, gives pulmonary providers another way to evaluate certain types of airway inflammation. What Is FeNO…
