The Role of FeNO Testing in Asthma Management
What is FeNO Testing? Fractional exhaled nitric oxide (FeNO) testing measures the level of nitric oxide in your breath. Higher levels often signal airway inflammation, which is common in asthma. Why FeNO Testing Matters Traditional methods like symptom tracking and spirometry are important, but they may not always detect underlying inflammation. FeNO provides a clearer…