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    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 23, 2016

    Author: Healthwise Staff

    Medical Review: E. Gregory Thompson, MD - Internal Medicine & R. Steven Tharratt, MD, MPVM, FACP, FCCP - Pulmonology, Critical Care Medicine, Medical Toxicology

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