COPD specialist tests overview
Informed by recognized medical guidance
Overview
COPD stands for Chronic Obstructive Pulmonary Disease. It is a long-term lung condition that makes it hard to breathe because the airways become narrowed and the air sacs in the lungs are damaged.
Key facts
- COPD is not curable, but it can be managed.
- Smoking is the main cause of COPD.
- COPD often gets worse over time, but treatment can slow it down.
Yes, COPD is a common condition, especially among people over 40 who have smoked.
It mostly affects people over 40, particularly those who have smoked for many years or been exposed to lung irritants like dust, fumes, or pollution.
Symptoms
- Suddenly not being able to catch your breath
- Chest pain or pressure
- Confusion or drowsiness
- Blue lips or face
- ⚠A sharp increase in your usual shortness of breath
- ⚠A fever that does not go away with home care
Common symptoms
- Shortness of breath, especially during physical activity
- A long-lasting cough that produces mucus
- Wheezing
- Chest tightness
Symptoms in children
- COPD is rare in children; it usually develops in adulthood. However, a persistent cough or wheezing in a child should be checked by a doctor.
Symptoms in older adults
- Symptoms may be dismissed as just part of getting older, but worsening shortness of breath or a chronic cough should not be ignored.
Causes
Main causes
- Smoking (including passive smoking)
- Long-term exposure to dust, fumes, or chemicals at work
- Air pollution
Risk factors
- Being over 40
- A history of lung infections as a child
- A rare genetic condition called alpha-1 antitrypsin deficiency
When to see a doctor
See a doctor urgently if:
- If you have trouble breathing that gets worse quickly
- If you cough up blood
- If you have severe chest pain
Book a routine appointment if:
- If you have a persistent cough or frequent chest infections
- If you find yourself getting short of breath doing everyday activities
Diagnosis
Doctors diagnose COPD using a combination of your medical history, a physical exam, and lung function tests.
Tests that may be done
- Spirometry – you blow into a machine that measures how well your lungs are working
- Chest X-ray or CT scan to look at the lungs
- Blood tests to check oxygen levels and rule out other conditions
- A six-minute walk test to see how exercise affects your breathing
What to expect at your appointment
You will be asked about your symptoms, smoking history, and any exposures. The tests are usually painless, though some may make you cough. Always tell your doctor if you feel dizzy or very short of breath during a test.
Treatment
Treatment for COPD focuses on relieving symptoms, slowing the progress of the disease, and improving quality of life. It includes lifestyle changes and sometimes medications or other therapies.
Self-care at home
- Stop smoking – it is the single most important step
- Exercise regularly to build lung capacity
- Eat a healthy diet to maintain strength
- Get recommended vaccines such as the flu and pneumonia vaccines
Medical treatments
Your doctor may prescribe inhalers that help open your airways. Other treatments include pulmonary rehabilitation (a program of exercise and education), oxygen therapy, and in some cases, medications to reduce flare-ups. Always take your medicine exactly as prescribed and never change your dose without talking to your doctor.
When is surgery considered?
For severe COPD, surgery such as lung volume reduction or a lung transplant may be considered in very select cases. This is discussed when other treatments are not enough.
Living with this condition
Living with COPD means managing your breath. Learn techniques like pursed-lip breathing to control shortness of breath. Plan your activities so you do not get overtired. Keep a healthy weight and avoid lung irritants like smoke and strong fumes.
Lifestyle tips
- Join a pulmonary rehabilitation program
- Use a humidifier if the air is dry
- Ask your doctor about a COPD action plan
Diet and exercise
A balanced diet helps you maintain a healthy weight. Eating smaller, more frequent meals can prevent bloating. Regular gentle exercise, like walking, can strengthen your breathing muscles. Ask your healthcare team for a plan that is safe for you.
Mental health and emotional wellbeing
Living with a long-term breathing condition can cause anxiety or depression. It is normal to feel worried. Talk to your doctor about support, including counselling or support groups.
Prevention
While COPD cannot always be prevented, you can lower your risk by not smoking and by avoiding lung irritants such as dust, fumes, and air pollution.
Vaccines
Yes, getting the flu vaccine and the pneumonia vaccine can help prevent infections that make COPD worse.
Screening programmes
If you are over 40 and a smoker, ask your doctor if you should have a spirometry test to check your lungs early.
Complications
If left untreated
- Frequent lung infections that can be severe
- Heart problems, such as heart failure
- Weakening of muscles and bones
- Depression and anxiety
Long-term outlook
With good care, many people with COPD lead active lives for many years. Treatment can relieve symptoms and improve your quality of life. Although COPD is a long-term condition, you can take steps to feel better.
Find support
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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.
Related conditions
Sources and guidance
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.
Guidance may differ by country or region. Confirm local recommendations with a qualified healthcare provider.