Most of us don’t think about our lungs until they start giving us trouble. A cough that won’t go away, a wheeze at night, or getting out of breath on stairs you used to climb easily are usually the first signs that something is off.

A lung health checkup is a way to find out what’s going on before it starts affecting your daily life. It isn’t one fixed test, though. What you need depends on your symptoms, your age, whether you smoke, where you live and work, and your medical history. A healthy 30-year-old with no symptoms and a 55-year-old with a long smoking history won’t be advised the same tests.

This guide covers what a lung checkup involves, what each test does, who should consider one, and when it makes sense to see a specialist.

What Is a Lung Health Checkup?

It’s a structured look at how well your lungs are working and whether there are early signs of a lung condition. Depending on your situation, it may include:

• A conversation about your symptoms, medical history and smoking history

• A physical examination

• Oxygen saturation measurement

• Spirometry

• Other pulmonary function tests

• A chest X-ray

• Further imaging or lab tests, only if needed

No single test covers everything. The doctor picks tests based on what you tell them and what they find during the examination.

Why Bother Getting Your Lungs Checked?

Many lung conditions build up slowly. Early on, the symptoms are easy to explain away: it’s the weather, it’s pollution, it’s age, it’s just a cold that lingered. By the time breathlessness starts limiting your routine, the condition may have been developing for years.

Symptoms worth paying attention to include:

• A cough that lingers

• Shortness of breath

• Wheezing

• Chest tightness

• More mucus or phlegm than usual

• Getting tired or breathless during activities you used to manage easily

• Chest infections that keep coming back

These can point to asthma, COPD, infections, allergies or other respiratory problems. A checkup helps sort out which one it is, or whether it’s something else, so you aren’t guessing.

Who Should Consider a Lung Health Checkup?

Not everyone needs regular lung testing. But you should think about a respiratory evaluation if any of the following apply to you.

You have a cough that won’t go away. If it has lasted several weeks, keeps coming back, or comes with wheezing or breathlessness, get it looked at.

You get breathless easily. If walking, climbing stairs or doing household chores leaves you out of breath more than it should, a lung function assessment can help find the reason.

You smoke, or used to. Smoking raises the risk of COPD, lung cancer and several other lung diseases. A doctor can look at your symptoms and smoking history and tell you whether you need lung function testing, lung cancer screening, or neither.

You live with heavy air pollution. Long-term exposure can affect your breathing. If you notice persistent respiratory symptoms, don’t put them down to “just the air quality.”

Your job exposes you to dust, fumes or chemicals. Silica, asbestos, smoke, industrial dust and certain chemicals can damage the lungs over time. If you’ve worked around them for years, talk to a doctor about your risk.

You already have asthma, COPD or another chronic lung condition. Regular follow-up helps track how well your lungs are working and whether your treatment needs adjusting. How often depends on your condition and what your doctor advises.

Tests You May Be Asked to Do

Spirometry

This is the most common lung function test. You breathe into a device called a spirometer, which measures how much air you can blow out and how fast you can do it.

It’s painless and non-invasive, and doctors use it to look into asthma, COPD and other causes of airflow obstruction. If you’ve been coughing, wheezing or getting breathless, spirometry is often one of the first tests suggested. You can read more about it on our spirometry page.

Pulmonary Function Tests (PFTs)

PFTs give a fuller picture than spirometry alone. Depending on which ones are done, they can look at airflow, lung volume, breathing capacity and how well gases move between your lungs and blood.

Doctors usually recommend them when symptoms aren’t explained by a basic assessment, or when they suspect a specific condition. Some of the tests that may be part of a full evaluation:

• DLCO, which measures how well oxygen passes from the lungs into the blood

• FOT (forced oscillation technique), which assesses airway resistance while you breathe normally

• FeNO, which measures a marker of airway inflammation in your breath, often used in asthma assessment

Pulse Oximetry

A small clip goes on your finger and estimates the oxygen level in your blood. It takes a few seconds and is a useful quick check. A normal reading doesn’t rule out every lung problem, though, so it’s one piece of the puzzle and not the whole answer.

Chest X-Ray

A chest X-ray shows an image of your lungs and the structures around them. Doctors use it when you have a persistent cough, chest discomfort, fever or breathing difficulty. It’s a diagnostic tool and is not the same thing as lung cancer screening with low-dose CT.

Low-Dose CT (LDCT) for Lung Cancer Screening

LDCT is meant for people at high risk of lung cancer, not for everyone. The U.S. Preventive Services Task Force (USPSTF) currently recommends yearly LDCT screening for adults aged 50 to 80 who have a smoking history of 20 pack-years or more and who either still smoke or quit within the last 15 years.

A pack-year is a way of measuring how much you’ve smoked. Smoking one pack a day for 20 years equals 20 pack-years. Two packs a day for 10 years works out the same.

These criteria come from the USPSTF. Whether screening is right for you is something to decide with a qualified doctor, based on your own risk and any local guidance that applies.

Does Everyone Need a Yearly Lung Checkup?

No. There’s no rule that every healthy person should have an annual CT scan or lung function test.

What’s right for you depends on your age, smoking history, existing lung disease, symptoms, job and environmental exposure, past test results and overall health. Someone with asthma or COPD will probably need regular follow-up. Someone with no symptoms and no real risk factors may not need routine testing at all.

The same goes for LDCT. It’s for specific high-risk groups, not the general population.

Lung Health Checkup for Smokers

If you smoke or used to, the doctor will probably ask about:

• How much you smoked, and for how many years

• Whether you’ve tried to quit

• Cough and mucus

• Breathlessness and wheezing

• How much you can do before getting tired

• Other risk factors

Based on this, they may suggest spirometry, further lung function tests, or a discussion about lung cancer screening. Whatever the tests show, the single most useful thing for your lungs is to quit tobacco. It’s never too late to benefit from stopping.

Air Pollution and Your Lungs

If you live somewhere with high pollution, you may notice cough, wheezing, chest tightness, extra mucus or getting tired faster than before. When these symptoms stick around, a checkup can help work out whether there’s an underlying respiratory condition.

Living in a polluted city doesn’t automatically mean you need a CT scan, though. A pulmonologist can look at your symptoms and risk factors and decide whether lung function tests, imaging, or just monitoring is the sensible next step.

Signs You Shouldn’t Ignore

See a doctor if you notice any of these:

• A persistent cough that doesn’t improve or keeps returning

• Breathlessness during normal activity or exercise

• Wheezing, which can happen when airways narrow, as in asthma

• Chest tightness that is recurring or unexplained

• Repeated chest infections such as bronchitis or pneumonia

• Coughing up blood, which should always be checked

• Less stamina than before for things that used to feel comfortable

• Unexplained weight loss along with respiratory symptoms

How Often Should You Get Checked?

There’s no fixed schedule that suits everyone. It depends on the same things listed above: your age, symptoms, smoking history, existing conditions, exposures and earlier test results.

People with asthma or COPD usually need periodic follow-up. People who qualify for lung cancer screening may be advised to have LDCT every year for as long as they stay eligible. If you have no symptoms and no major risk factors, your doctor may not suggest routine testing.

Lung Health Checkup vs Lung Cancer Screening

People often use these terms as if they mean the same thing. They don’t.

A lung health checkup doesn’t automatically include a lung cancer screening scan. And if you already have symptoms, you may need diagnostic tests, which is a different thing from screening.

Can a Lung Checkup Detect Asthma or COPD?

It can help. Spirometry is especially useful when airflow obstruction is suspected. But a diagnosis is never based on one number. The doctor will also consider your symptoms, medical and smoking history, exposure to dust, smoke or pollution, the physical examination, and sometimes other investigations.

One more point: routine COPD screening isn’t recommended for adults who have no respiratory symptoms. That doesn’t apply if you have a chronic cough, sputum, breathing difficulty or wheezing. In that case, testing is appropriate.

When Should You See a Pulmonologist?

Consider seeing a chest specialist if you have:

• A persistent cough

• Recurrent wheezing

• Breathlessness

• Chest tightness

• Frequent respiratory infections

• An abnormal chest scan or X-ray

• A history of smoking

• Significant dust or chemical exposure

• Known asthma or COPD

• Unexplained changes in your breathing

Sometimes the cause isn’t in the lungs alone. Loud snoring, daytime sleepiness or waking up gasping at night can point to a sleep-related breathing problem, which is checked with a sleep study. If imaging shows something that needs a closer look, procedures such as bronchoscopy or EBUS may be suggested by the specialist.

At Jindal Chest in Chandigarh, Dr. S K Jindal and Dr. Aditya Jindal evaluate respiratory symptoms and lung conditions, with tests such as spirometry and other lung function tests done when clinically needed. You can see the full list of conditions we treat and all our facilities and services on the website.

Frequently Asked Questions

What is included in a lung health checkup?
It depends on your symptoms and risk factors. It may include a medical history, physical examination, oxygen level check, spirometry, other pulmonary function tests, a chest X-ray or further investigations.

What is the best test to check lung health?
There isn’t one best test for everyone. Spirometry is good for measuring airflow, while imaging and other tests are added depending on what the doctor is looking for.

Is spirometry enough to check my lungs?
Not always. It mainly measures airflow and can’t pick up every lung condition. Additional tests may be needed depending on your symptoms.

Should smokers get a lung checkup?
Yes, smokers and former smokers should talk to a doctor about their smoking history and breathing. Depending on age, how much they’ve smoked and their symptoms, they may need lung function tests or lung cancer screening.

How often should I get my lungs checked?
There’s no universal schedule. It depends on your age, symptoms, smoking history, existing lung conditions and other risk factors.

Do I need a CT scan of my lungs every year?
No. Annual low-dose CT is only for people who meet specific high-risk criteria for lung cancer screening. It’s not a routine test for healthy adults.

Can a lung checkup detect COPD?
Yes, a respiratory evaluation and spirometry can help diagnose COPD in people who have matching symptoms. Routine COPD screening isn’t recommended for adults without symptoms.

When should I get my lungs checked?
See a doctor if you have a persistent cough, breathlessness, wheezing, chest tightness, repeated chest infections, blood in your cough, or unexplained changes in your breathing. You can also browse our FAQ page for more common questions.

Take Care of Your Lungs

A lung health checkup isn’t one fixed test. The right evaluation depends on your symptoms, age, smoking history, environment and general health. Spirometry and other lung function tests tell you a lot about how your lungs are working, imaging is added when there’s a clinical reason, and LDCT is reserved for people who meet the high-risk criteria.

If you have a cough that won’t go away, breathlessness, wheezing or chest tightness, don’t brush it off and don’t try to diagnose yourself. A consultation with a pulmonologist can tell you whether you need further testing.

To speak to a specialist, you can book an appointment or contact us. For more articles on lung health, visit our blog.