Lung Function Test (PFT) FAQ (Frequently Asked Questions)

  • What is a lung function test (PFT)?
    Pulmonary Function Test (PFT)
    is a simple and painless lung test that checks how well your lungs are working. During the test, you will be asked to breathe in and out through a special machine that measures your lung capacity and airflow. This test helps doctors diagnose and monitor conditions such as asthma, COPD, chronic cough, and other breathing-related problems.

  • Is the lung test painful?
    No, a Lung Function Test (PFT) is completely painless and non-invasive. The test simply requires you to breathe in and out through a mouthpiece connected to a machine. The test is safe for most people and is commonly used to diagnose and monitor conditions such as asthma, COPD, and other lung diseases.

  • Who should get a PFT done?
    People with breathlessness, chronic cough, or wheezing should consider Pulmonary Function Test. Smokers or patients with lung disease also benefit. A PFT can help identify the cause and guide the right treatment plan.

  • Do I need to prepare for the test?
    You may be asked to avoid certain medicines before the test. Wearing comfortable clothes is helpful. Your doctor will guide you if needed.