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Exhaled nitric oxide is a simple test to measure the amount of nitric oxide in your breath. Nitric oxide is one of the many gases people exhale. It is a marker of airway inflammation. The results from this test make it easier for you and your doctor to monitor your asthma and find the best treatment plan for you.

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National Jewish Health authors free downloadable patient education materials to provide you and your family the information and tools to help manage your disease. They include Understanding Booklets, Med Facts, Test Facts, Medication handouts and more.

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