Diagnostics·Diagnostics
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A breathing screening test, often called spirometry, is a simple way to measure how well your lungs work. You breathe into a machine that records how much air you can breathe out and how fast. The test helps your doctor check for lung problems such as asthma or chronic obstructive pulmonary disease (COPD).
Key facts
Breathing screening tests are very common. They are used to diagnose lung conditions and to monitor how well treatments are working.
Anyone who has symptoms like shortness of breath, chronic cough, or wheezing may be asked to have a breathing test. It is often used for people with suspected asthma or COPD, but can be helpful for many others.
The breathing screening test itself is a key tool for diagnosing lung conditions. Your doctor will also ask about your symptoms, medical history, and may listen to your chest with a stethoscope.
On the day of the test, you will be asked to remove anything tight around your neck or chest. You will sit upright and place a soft clip on your nose. The nurse or technician will ask you to take a deep breath and then blow into the mouthpiece as hard and fast as you can. You will repeat this several times to get the best reading. The test often takes about 15 minutes. It is not painful, but you may feel a little tired or light-headed – that is normal.
This article is about preparing for a breathing screening test, not about treating a condition. Treatment for any lung problems found by the test will depend on the diagnosis. Your doctor will discuss the best options for you.
If the test shows a lung condition, your doctor might recommend inhalers (puffers), breathing exercises, or other medications to help open your airways. Some people may need oxygen therapy or pulmonary rehabilitation (a programme of exercise and education). Your doctor will explain the options based on your individual results.
After you have had a breathing screening test, you can go back to your normal activities right away. There is no recovery time. The results may take a few days to come back – your doctor will explain them and discuss next steps.
A balanced diet with plenty of fruits and vegetables supports overall lung health. Gentle exercise, like walking or swimming, can strengthen your breathing muscles. Always check with your doctor before starting a new exercise routine.
A breathing screening test itself does not prevent lung disease – it helps find it early. But you can reduce your risk of lung problems by not smoking, avoiding air pollution, and getting vaccinated against flu and pneumonia.
Flu and pneumonia vaccines can help protect your lungs from serious infections. Ask your doctor if they are right for you.
Your doctor may recommend regular breathing tests if you have a long-term lung condition or if you are at high risk, such as from smoking. Screening helps catch problems early.
Most people who have a breathing screening test find it helpful. If a lung condition is found, early treatment can often improve symptoms and slow the disease. Many people live full, active lives with proper care. The outlook is generally good when problems are caught early.
Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 16, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.
surgery is rarely the first treatment for lung conditions found through screening. In some cases, such as very severe COPD or certain lung diseases, a doctor may discuss lung volume reduction surgery or a lung transplant. This is only considered after many other treatments have been tried.
Waiting for test results can be stressful. It is normal to feel anxious or worried. Talk to your doctor or a counsellor if these feelings become overwhelming. If you have thoughts of harming yourself, call emergency services immediately.
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