Walking pneumonia is a mild form of pneumonia that rarely requires hospitalization and is unlikely to be life-threatening, according to FamilyDoctor.org. As with any case of pneumonia, however, walking pneumonia can wors... More »

Walking pneumonia, also called atypical pneumonia, is a milder form of pneumonia that does not usually require hospitalization, according to WebMD. Pneumonia in general is caused by bacteria, viruses, fungi, chemicals an... More »

Mild pneumonia in most healthy persons does not require hospitalization, with symptoms typically clearing up in two or three weeks. However, more serious infections among especially young and old patients may require bri... More »

Persistent pulmonary infiltrate is a form of pneumonia that effects the lungs and may or may not respond to conventional antibiotic medications. Alternative use of additional drugs in combination with antibiotics is ofte... More »

Legionnaires' disease is a form of pneumonia caused by the legionella bacterium. It is usually transmitted through inhalation of the bacteria in mist from air conditioning units, hot tubs and showers, according to Medlin... More »

www.reference.com Health Conditions & Diseases

Small aortic aneurysms, or bulges in an artery wall, can be left untreated until they increase in size or begin to produce symptoms, according to WebMD. Any aortic aneurysm must be closely monitored by doctors, however, ... More »

www.reference.com Health Conditions & Diseases

The deadliest type of gangrene, gas gangrene, can potentially kill a person within 48 hours of developing if left untreated, writes WebMD. Other types of gangrene can eventually cause death, but they do not progress as q... More »