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Pneumonia
- Reviewed by Megan A. Koster, MD, PharmD, Contributor; Editorial Advisory Board Member, Harvard Health Publishing
Pneumonia is an infection of the lungs that can make it hard for the oxygen you breathe to get into your bloodstream. Most cases of pneumonia are caused by bacteria or viruses, but pneumonia can also be caused by fungi.
The symptoms of pneumonia can range from mild to severe, and include cough, fever, chills, and trouble breathing. Many factors affect how serious a case of pneumonia is, including what caused the infection, the person’s age, and their overall health. Pneumonia can usually be treated successfully with antibiotic, antiviral, or antifungal medications, although full recovery can take weeks.
About a million adults receive hospital care for pneumonia each year, and the lung infection causes around 50,000 deaths annually. The people at highest risk for severe illness are infants and young children, adults age 65 years or older, and those with weakened immune systems.
What are somatic workouts?
How to curb your stress eating
How to spot Parkinson’s disease symptoms
8 simple ways to reduce ultra-processed foods in your diet
Heart failure symptoms in women: How they’re different
GERD diet: Foods to avoid to reduce acid reflux
Strong is the new skinny
Everyday habits that sneakily weaken your bones
Don’t wait to get help for back pain
Correcting how you walk may ease osteoarthritis knee pain
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