Spirometry is the most common and accurate test for diagnosing asthma. It measures lung function and airway obstruction.
For spirometry and lung function tests, you may need to avoid using certain inhalers before the test. Your doctor will provide specific instructions.
Yes, conditions like COPD, vocal cord dysfunction, or anxiety can mimic asthma symptoms. Comprehensive testing helps ensure an accurate diagnosis.
Lung function tests such as spirometry and FeNO measure how well your lungs work and help confirm an asthma diagnosis.