COPD Symptoms & Causes Understanding the Long-Term Complications of COPD By Deborah Leader, RN Deborah Leader, RN Deborah Leader RN, PHN, is a registered nurse and medical writer who focuses on COPD. Learn about our editorial process Updated on June 16, 2022 Medically reviewed by Susan Russell, MD Medically reviewed by Susan Russell, MD Susan Russell, MD is a board-certified pulmonologist and currently the Medical Director for Northwestern Memorial Hospital's Inpatient Pulmonary Unit. Learn about our Medical Expert Board Print Chronic obstructive pulmonary disease (COPD) is defined as an inflammatory disorder of the lungs characterized by the permanent or partially reversible restriction of airflow. Hero Images / Getty Images Understanding COPD COPD is the third leading cause of death worldwide. It is most frequently caused by smoking, which is why there are nearly 600 million people worldwide living with the disease today. The Global Initiative for Obstructive Lung Disease defines COPD as a disease "characterized by airflow limitation that is not fully reversible." This is not meant to suggest that COPD is like asthma, where breathing function can be returned to normal if the underlying condition is treated. Instead, with COPD, any damage done to the lungs cannot be undone. Improvement Versus Reversibility To most, it is common knowledge that the simple act of quitting cigarettes can improve a person’s ability to breathe, even in the later stages of COPD. This is not so much due to the fact that the lungs have "healed" themselves. It is simply that the removal of the smoke prevents the inflammation that causes the excessive production of mucus. Stopping doesn’t restore lung elasticity; it simply relieves the lungs of further damage. As such, it may seem the disease is "reversible" if you have less need for a bronchodilator or steroid inhaler. But it doesn’t necessarily mean that you’ll no longer need an inhaler or will stop producing mucus. That will depend largely on how much damage has already been done. Managing COPD The key aim of managing COPD is twofold: to ensure you have the optimal respiratory capacity based on the current state of your lungs, and to slow progression of the disease by removing the causes of inflammation. You can achieve these goals in a number of ways: Lifestyle changes are and will always be the best way to lessen the symptoms of COPD. That not only includes quitting cigarettes, but also includes habits like good nutrition and regular exercise. Environmental triggers can exacerbate COPD and lead to a worsening of your symptoms. Identify and avoid common triggers such as second-hand smoke, heavy perfumes, hairspray, paint fumes, cleaning products, pet dander, mold, and so on. Never tolerate irritants to the detriment of your good health. Treatment adherence is key to long-term management of COPD. This includes the proper use of inhalers, antibiotics, and PDE4 inhibitors. Ultimately, the less stress you put on your lungs, the less damage you will incur. An annual flu shot can reduce the risk of illness and death in people with COPD. The pneumonia vaccine is also recommended for people 65 years of age and older to reduce the risk of bacterial pneumonia. While COPD is not curable, it is treatable. By taking the necessary steps to care for your lungs, you can reduce your risk of illness and incapacitation over the long term. All it takes is to start today. 7 Sources Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy. Quaderi SA, Hurst JR. The unmet global burden of COPD. Glob Health Epidemiol Genom. 2018;3:e4. doi:10.1017/gheg.2018.1 López-campos JL, Tan W, Soriano JB. Global burden of COPD. Respirology. 2016;21(1):14-23. doi:10.1111/resp.12660 Bai JW, Chen XX, Liu S, Yu L, Xu JF. Smoking cessation affects the natural history of COPD. Int J Chron Obstruct Pulmon Dis. 2017;12:3323-3328. doi:10.2147/COPD.S150243 Ambrosino N, Bertella E. Lifestyle interventions in prevention and comprehensive management of COPD. Breathe. 2018;14(3):186-194. doi:10.1183/20734735.018618. Sama SR, Kriebel D, Gore RJ, Devries R, Rosiello R. Environmental triggers of COPD symptoms: a case cross-over study. BMJ Open Respir Res. 2017;4(1):e000179. doi:10.1136/bmjresp-2017-000179 Rogliani P, Ora J, Puxeddu E, Matera MG, Cazzola M. Adherence to COPD treatment: Myth and reality. Respir Med. 2017;129:117-123. doi:10.1016/j.rmed.2017.06.007 Bekkat-Berkani R, Wilkinson T, Buchy P, et al. Seasonal influenza vaccination in patients with COPD: a systematic literature review. BMC Pulm Med. 2017;17(1):79. doi:10.1186/s12890-017-0420-8. Additional Reading Global Initiative for Obstructive Lung Disease (GOLD). "Evidence in Support of Prevention and Maintenance Therapy." Pocket Guide to COPD Diagnosis, Management, and Prevention: A Guide for Health Care Professionals. 2017:9-18. By Deborah Leader, RN Deborah Leader RN, PHN, is a registered nurse and medical writer who focuses on COPD. See Our Editorial Process Meet Our Medical Expert Board Share Feedback Was this page helpful? Thanks for your feedback! What is your feedback? Other Helpful Report an Error Submit