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What are pneumonia symptoms and signs?
Symptoms and signs of pneumonia may be mild or severe and depend upon someone's overall state of health as well as the type of organism causing the pneumonia. Severe symptoms include
chest pain when breathing or coughing,
labored breathing or shortness of breath,
coughing up phlegm,
Nausea, vomiting, and diarrhea are other possible symptoms that can accompany the respiratory symptoms.
Infants and newborns may not show specific symptoms of pneumonia. Instead, they may appear restless or lethargic. They may have a fever or cough or vomit. Older adults or those who have weak immune systems may also have fewer symptoms and a lower temperature. A change in mental status, such as confusion, can develop in older adults with pneumonia.