The National Heart, Lung & Blood Institute (NHLBI) has released updates to the Asthma Management Guidelines, which for the first time includes recommendations for FeNO*.

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* Fractional exhaled Nitric Oxide

Important Safety Information | NIOX VERO® User Manual (PDF)

For US Healthcare Professionals Only

IMPROVE OUTCOMES
WITH POINT-OF-CARE FENO TESTING

Give the best possible care to your asthma patients,
using NIOX® technology for simple diagnosis and
management.

Give the best possible care to your asthma patients, using NIOX® technology for simple diagnosis and management.

40 MILLION TESTS
COMPLETED USING NIOX®

We are immensely proud to announce that on 2nd June 2021,
the healthcare community reached 40 million FeNO tests
completed with NIOX® technology.

We are immensely proud to announce that on 2nd June 2021, the healthcare community reached 40 million FeNO tests completed with NIOX® technology.

JUST INHALE AND EXHALE
TESTING FENO WITH NIOX® IS SAFE AND EASY

Accurately assess airway inflammation at the point-of-care with
NIOX, the gold standard FeNO analyser from Circassia, the world
leader in FeNO testing.

Accurately assess airway inflammation at the point-of-care with NIOX, the gold standard FeNO analyser from Circassia, the world leader in FeNO testing.

Masterclasses by Circassia

Join our online series of interactive webinars to hear the latest high quality education from the experts in asthma, FeNO and NIOX®.

Read and Learn

Access our collection of informative articles, videos, podcasts and more to enhance your understanding of all things FeNO and NIOX®.

Masterclasses by Circassia

Join our online series of interactive webinars to hear the latest high quality education from the experts in asthma, FeNO and NIOX®.

Read and Learn

Access our collection of informative articles, videos, podcasts and more to enhance your understanding of all things FeNO and NIOX®.