What is a FeNO Test? - American Academy of Allergy, Asthma . . . The FeNO test, which stands for the fractional concentration of exhaled nitric oxide, is performed using a portable device that measures the level of nitric oxide in parts per billion (PPB) in the air you slowly exhale out of your lungs
Using a FeNO Test to Diagnose Asthma | AAFA. org A FeNO test measures the amount of inflammation in your lungs to help your doctor diagnose asthma Learn how FeNO testing is a quick, easy way to measure inflammation for a more accurate diagnosis and better treatment
What is FeNO in Asthma? - Allergy Asthma Network FeNO tests can be used to help diagnose asthma They can also be used for asthma management For example, FeNO tests can evaluate how well inhaled corticosteroids are working to calm airway inflammation FeNO tests can be used in people with mild asthma or moderate to severe asthma
Update on the Role of FeNO in Asthma Management - PMC Fractional exhaled nitric oxide (FeNO) is a cost-effective, point of care biomarker that is used to detect type 2 airway inflammation Guidelines have proposed to measure FeNO as an adjunct to diagnostic evaluation in individuals with suspected asthma and to monitor airway inflammation
Understanding FeNO Testing for Asthma - ACAAI Patient If you have asthma or trouble breathing, ask your allergist about FeNO testing It may help make sure you get the best treatment to keep your asthma under control!