Asthma test helps doctor tailor treatment

Posted: 4/11/2013

From Chicago Tribune:

Inhaled corticosteroids are often used to treat asthma, but trying to figure out if the therapy is necessary - and at what dose - can be tricky.

Now, a new, noninvasive breath test called fractional exhaled nitric oxide, or FeNO, has taken away much of the guesswork about whether a patient should be on inhaled corticosteroids. The test is helping to guide treatment decisions and is the first to measure airway inflammation - the major underlying cause of asthma. Read more.