Can Severe Asthma Lead To Lung Cancer?

Some studies have shown that there is a significant association between asthma and the risk of lung cancer. Therefore, Asthma may be a notable risk factor for lung cancer. Cancer NGO in India reported that, in both smokers and non-smokers, lung cancer has been approximately 40% more common in people who have asthma that requires treatment. However, the risk factors vary with lung cancer types. Similarly, the risk seems to be less with lung adenocarcinoma, which is the type of lung cancer most often seen in non-smokers, women, and young adults. 

It seems that in a few cases controlling asthma might lessen the danger of lung cancer. 

Today, at Canwinn Foundation, we will discuss the correlation between asthma and lung cancer, What Is the Treatment for Asthma, How Does Asthma Affect the Lungs, and How Is Asthma Diagnosed.

Types of Lung Cancer and Asthma

When we look into the record, a large meta-analysis of studies did not detect the link between asthma and lung adenocarcinoma. 

Furthermore, one study has found that the link between asthma and lung cancer down by cancer type. They found the strongest links between asthma and squamous cell carcinoma of the lungs (69% increase), and small cell lung cancer (71% increase), and a weaker link between asthma and lung adenocarcinoma (9% increased risk).

Common Risk Factors

We all are aware of the fact that smoking or exposure to secondhand smoke can be a risk factor for asthma as well as lung cancer. The common risk factors create a link between both of the diseases. 

There are several things you can do to lower the risks of asthma and lung cancer.

  • Don’t smoke
  • Avoid secondhand smoke
  • Practice caution (read labels and heed them) with chemicals you are exposed to
  • Know your risk factors
  • Undergo CT lung cancer screening if you have doubts

What Is The Treatment For Asthma?

There is not a single, but many treatments available for Asthma. First, we have to know about asthma triggers. They involve:

  • Allergens such as pollen, dust mites, cockroaches, molds and animal danders
  • Irritants in the atmosphere like smoke, air pollution, chemical fumes, and strong odors
  • Prescriptions, such as aspirin and acetaminophen
  • Extreme weather conditions
  • Exercise
  • Stress

To be noted, allergies are just one of the circumstances that can trigger asthma attacks. However, not all people with asthma have allergies and many people have allergies but do not have asthma.

To treat asthma, you should consider some points:

Use Proper Asthma Medication

There are several powerful medicines available in the market to treat asthma. Most of the people with asthma need two types of medicines:

quick-relief medicines and long-term control medicines. 

In addition, Immunotherapy can be helpful as well.

Corticosteroids and health risks

Steroids are strong drugs. Therefore, these can be dangerous when not taken as per prescription.


Furthermore, there are two types of immunotherapies are available: allergy shots and sublingual (under the tongue) tablets.

  • Allergy shots: These are very effective in relieving allergy symptoms and in some cases can truly cure your allergy. Therefore, if your asthma is triggered by an allergy, you should consider taking them.
  • Sublingual tablets: However, these medications should not be used in patients with severe or uncontrolled asthma, few allergens can be treated with this method.


Traditional treatments are not that effective to treat severe asthma. But fortunately, biologic drugs have been shown to decrease the rate of asthma flare-ups and improve the quality of your life.

We recommend, do not take any medication without consulting your doctor.

How Does Asthma Affect The Lungs

The disease, Asthma affects the airways of your lungs. When you have asthma, your airways’ wall tends to always be in a hypersensitive state characterized by redness and swelling (inflammation). This hypersensitive situation causes the airways to react to stuff that you are exposed to every day, which we also called asthma “triggers.” These triggers include: 

  • Common cold, 
  • Stress, 
  • Changes in the weather, 
  • Or nuisance in the environment, such as dust, chemicals, smoke and pet dander.

How Is Asthma Diagnosed?

When you encounter symptoms like wheezing, frequent cough, shortness of breath or chest tightness, it is crucial to see a healthcare provider. This will determine if the symptoms point to asthma. Therefore, to diagnose asthma, your doctor will assess these symptoms, ask for complete health history, conduct a physical exam and look at test results.

Final Words

If you are experiencing any symptoms of the disease like asthma, you can get help from Canwinn Foundation.

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