Pneumonia is an infection of the lungs. It affects the small airways and air sacs in the lungs.
Development of Pneumonia in the Air Sacs of the Lungs
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Pneumonia is sometimes described by where and how you were infected. Types of pneumonia include:
- Community-acquired—from the community, such as a school, gym, or at work
- Nosocomial—in a hospital or healthcare setting
- Aspiration—happens when foreign matter is inhaled into the lungs, such as food, liquid, saliva, or vomit
Last reviewedFebruary 2014by David L Horn, MD, FACP
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.