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Why choose NIOX®?

Used by thousands of healthcare professionals, NIOX® is considered to be the technology of choice.¹

Why choose NIOX®?

Inspired by healthcare professionals, designed by NIOX®, NIOX PRO® is our ultimate FeNO testing technology.

Compare NIOX®

NIOX® is the only FeNO technology available in the EU and US markets that follows the published ATS & ERS online measurement protocols in full, including inhalation of NO-free air.^1,2

Compare NIOX®

Compare NIOX® to other devices

Compare NIOX® to other FeNO testing devices. Select a FeNO device to compare below:

NIOX® vs NObreath

NIOX® vs Vivatmo

NIOX® vs Other Devices

NIOX PRO®, the right device for your clinic

NIOX® is designed to support efficient clinical workflows, delivering accurate and reliable FeNO measurement in just one test.^3-5 Make the switch to NIOX® today.

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NIOX® Customer Support and Training

At NIOX® we are passionate about providing excellent support and training.

NIOX® Support

Dedicated support from our online resources and customer services team.

Educational Articles

Read the latest information on FeNO testing and international guidelines.

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Masterclasses

Join our Lead Nurse for Education, Karen Frankland, on an interactive series.

Scientific Webinars

Learn about FeNO from industry leaders from the scientific community.

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Book a virtual or in-person demonstration of NIOX PRO® with your local experience team.

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Request a quote for the gold standard FeNO testing device, NIOX PRO®.

References:

1. NIOX®. Data on File. MKT-DOF-007. 2026.
2. American Thoracic Society; European Respiratory Society. ATS/ERS recommendations for standardized procedures for the online and offline measurement of exhaled lower respiratory nitric oxide and nasal nitric oxide, 2005. Am J Respir Crit Care Med. 2005;171(8):912-30.
3. Carroll WD. NIOX VERO: Individualized Asthma Management in Clinical Practice. Pulmonary Therapy. 2016;2:171-88.
4. Crater G, et al. Successful fractional exhaled nitric oxide measurements with NIOX VERO using 6- and 10-s exhalation modes in children with asthma aged 4–10 years: a randomized study. Pulm Ther. 2017;3:139-48.
5. Hanania NA, et al. Measurement of fractional exhaled nitric oxide in real-world clinical practice alters asthma treatment decisions. Ann Allergy Asthma Immunol. 2018;120(4):414-418.