Severe Asthma and Lung Cancer: What’s the Link?

Severe asthma and lung cancer are linked in several ways.

- First, both conditions share similar risk factors. These include smoking, exposure to secondhand smoke, air pollution, and a family history of either asthma or lung cancer.

- Second, severe asthma can lead to lung damage, which is a risk factor for lung cancer. This damage can occur from the inflammation and scarring that occurs in the lungs as a result of asthma attacks.

- Third, some of the medications used to treat severe asthma have been linked to an increased risk of lung cancer. These include oral corticosteroids and inhaled long-acting beta-agonists (LABAs).

While the risk of lung cancer is higher in people with severe asthma, it is important to note that most people with severe asthma do not develop lung cancer. The risk is still relatively small, but it is something that people with severe asthma should be aware of and take steps to reduce their risk.

To reduce your risk of developing lung cancer if you have severe asthma:

- Quit smoking if you smoke. Smoking is the single most important thing you can do to reduce your risk of lung cancer.

- Avoid secondhand smoke. Secondhand smoke contains many harmful chemicals, including those linked to lung cancer.

- Reduce your exposure to air pollution. Air pollution can irritate the lungs and increase your risk of developing asthma attacks and lung cancer.

- Talk to your doctor about your medications. If you are taking oral corticosteroids or LABAs, talk to your doctor about your risk of lung cancer. They can help you weigh the risks and benefits of these medications and make the best decision for your health.

By following these tips, you can help reduce your risk of developing lung cancer if you have severe asthma.