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Pneumonia
Pneumonia is a lung infection that can make you very sick. You may cough, run a fever, and have a hard time breathing. It can usually be treated at home, but some people need to go to the hospital.
Pneumonia can be caused by bacteria or a virus. Antibiotics are used to treat pneumonia caused by bacteria.
Current as of: May 1, 2026
Author: WebMD Ignite Staff
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