How is asthma diagnosed?

Asthma is diagnosed three ways; history of symptoms, listening to the lungs to check for wheezing and air movement, and by taking a lung function test such as spirometry. Learn more about diagnosing asthma here:https://asthma.net/diagnosis/tests/

A proper asthma diagnosis can be difficult, with up to 30% of diagnosis being incorrect. The misdiagnoses often come from there being no standard test for asthma. Asthma is largely diagnosed through medical history, physical examination, and finally a lung function test know as spirometry. This article from our editorial team offers an in-depth look at the diagnosis process, with links to more detailed information on specific elements: https://asthma.net/diagnosis/.

Asthma is diagnosed by a doctor. A lung function test (also called spirometry) is done along with an exam and a detailed medical history. Here is an article that might be helpful: https://asthma.net/diagnosis