Chronic lung disease such as asthma, bronchitis, emphysema, cystic fibrosis, or lung cancer can contribute. Other causes of pneumonia include inhaling noxious gases or breathing in stomach contents during vomiting. Tests on blood and lung fluids can usually tell the type of germ involved. Antibiotics are used to treat bacterial cases. With supportive measures, a viral case usually heals on its own in 1 to 3 weeks.
Support includes bed rest, painkillers, plenty of fluids, and a high calorie diet.
The person should not smoke or drink alcohol. In serious cases supplemental oxygen and breathing treatments are helpful. Caretakers should carefully dispose of fluids from sneezing, coughing, or spitting. Suspect pneumonia if you develop a painful cough, high fever, or feel very listless after a cold or flu. Consult your healthcare provider promptly.