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FeNO Stories

Maria's Story

FeNO testing prevented Maria from receiving the wrong diagnosis and being incorrectly recorded as asthmatic.

Liam's Story

Learn how FeNO testing can reveal the true picture of your lung health for better long-term outcomes.


Hina's Story

Find out how Hina, 4, enjoyed playing "the FeNO game" to help her doctor make a quick and accurate asthma diagnosis.

Thomas' Story

Read more about how Thomas uses FeNO to manage his asthma and live life to the full.


Charlotte's Story

Discover how FeNO helped Charlotte's doctor uncover the real cause of her symptoms and remove an incorrect asthma diagnosis.

Khaveer's Story

From intensive care to complete control: find out how FeNO transformed Khaveer's life for the better.

All stories are real patient stories. Names, ages and genders may have been changed to preserve anonymity.

Ready for FeNO?

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What is FeNO?

Download this for more information about FeNO testing.

Information for Doctors

Download and take this leaflet to your doctor / healthcare professional.

Taking a test

Download our handy guide on how to perform a FeNO test.

Tell your doctor about FeNO

Simply mention FeNO at your
next appointment

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to your next appointment