Pneumonia: Causes, Symptoms, Diagnosis Treatment What is pneumonia? Pneumonia is an infection in your lungs caused by bacteria, viruses or fungi Pneumonia causes your lung tissue to swell (inflammation) and can cause fluid or pus in your lungs Bacterial pneumonia is usually more severe than viral pneumonia, which often resolves on its own
Pneumonia: Symptoms, Causes, and Treatment - WebMD Pneumonia is a lung infection most often caused by bacteria or a virus It may be mild enough that you can recover at home, or serious enough to put you in a hospital
Pneumonia - Wikipedia Although more than 100 strains of infectious agents have been identified, only a few are responsible for the majority of cases
Pneumonia: Symptoms, Causes, and Treatment - Harvard Health What is pneumonia? Pneumonia is an infection of one or both lungs that triggers inflammation and causes the air sacs (alveoli) of the lung to fill with pus or liquid Symptoms include coughing, shortness of breath, and fever, and can be mild to life-threatening
Pneumonia | CDC Lower your risk of pneumonia with vaccines and other healthy living practices Many professional organizations have issued guidelines to manage and prevent pneumonia Pneumonia is a lung infection that can be caused by many germs Treatment and prevention options and who's at risk vary by cause
Pneumonia - Johns Hopkins Medicine The main types of pneumonia are bacterial, viral, and mycoplasma pneumonia A cough that produces green, yellow, or bloody mucus is the most common symptom of pneumonia
Pneumonia - World Health Organization (WHO) Pneumonia is a form of acute respiratory infection that is most commonly caused by viruses or bacteria It can cause mild to life-threatening illness in people of all ages, however it is the single largest infectious cause of death in children worldwide