Risk Factors for Pneumonia
by
Rosalyn Carson-DeWitt, MD A risk factor is something that increases your chance of getting a disease or condition. It is possible to develop pneumonia with or without the risk factors listed below. However, the more risk factors you have, the greater your chance of developing pneumonia. If you have a number of risk factors, ask your doctor what you can do to reduce your risk. Smoking and Second-hand Smoke People who smoke have a much higher risk of developing pneumonia. If you stop smoking, your risk will gradually return to normal. However, this may take as long as 10 years. You are also at risk for pneumonia if you are regularly exposed to second-hand smoke. For example, children in households where the parents smoke have higher rates of pneumonia than do children in smoke-free households. Alcohol and Drug AbuseAlcohol and drug abuse put you at a higher risk of pneumonia. IV drug use can increase your risk of pneumonia and other infectious diseases. Crowded Living ConditionsThe risk of pneumonia is increased among people living in crowded conditions, such as:
Medical ConditionsPeople who are hospitalized have a much higher risk of developing pneumonia than do non-hospitalized individuals. This risk is even higher for people who have recently undergone major surgery or who are on ventilators. Other medical conditions that can increase your risk of developing pneumonia include:
Children have a higher risk of developing pneumonia if they have:
AgePneumonia is more common among certain age groups:
Genetic FactorsA number of genetic disorders can predispose you to pneumonia, such as: Environmental FactorsOccupational exposure to toxic chemical fumes and/or smoke can weaken your lung’s defenses. This can increase your vulnerability to pneumonia germs.
References
Community-acquired pneumonia in adults. EBSCO DynaMed website. Available at: http://www.dynamed.... Accessed November 10, 2019.
Community-acquired pneumonia in children. EBSCO DynaMed website. Available at: http://www.dynamed.... Accessed November 10, 2019.
Flanders SA, Collard HR, Saint S. Nosocomial pneumonia: state of the science.
Am J Infect Control.
2006;34(2):84-93. Pneumonia symptoms, causes, and risk factors. American Lung Association website. Available at: ...(Click grey area to select URL) Accessed November 10, 2019. Risk factors. National Heart, Lung, and Blood website. Available at: ...(Click grey area to select URL) Accessed November 10, 2019. Last reviewed January 2020 by
EBSCO Medical Review Board
David L. Horn, MD, FACP | ||
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