Diagnosis & Tests

Learn about the tests your doctor may use to make an asthma diagnosis. Discover more about lung or pulmonary function tests and the different tests used for allergies and for asthma.

Diagnosing Asthma Can't catch your breath? Cough frequently at nighttime? Ask your doctor to see if you might have asthma. Read more about the tests your doctor will use to make the diagnosis.
What Do Asthma Specialists Do? If you have asthma, it's important to carefully select an asthma specialist -- a doctor who understands respiratory problems and treats asthma.
10 Questions to Ask Your Asthma Doctor It's a good idea to know what to ask your asthma doctor before you step into the office.
Asthma Tests: the Basics There are several tests your doctor may use to make an asthma diagnosis. Read about the most common asthma tests before your next appointment.
Testing Your Lung Function To diagnose asthma or other lung problems, your doctor may perform lung function or pulmonary function tests. Learn about spirometry, the methacholine challenge test, and other exams to check your breathing.
Asthma and Allergy Tests Learn about allergy tests and how they are used to make a diagnosis of allergies or asthma.

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