Pneumocystis Carinii Pneumonia (PCP) - Information resources on this common AIDS-related infection and its treatment from TheBody.com. NHS Choices: Pneumonia - Factsheet on this condition including causes, symptoms, diagnosis, treatment and possible complications. eMedicine - Bacterial Pneumonia - Article covering clinical information, diagnosis, and treatment. Includes prescribing information, pictures and X-rays. eMedicine Health - Viral Pneumonia - Consumer health resource center providing information on the causes, symptoms, and treatment of this disorder. eMedicine Health - Bacterial Pneumonia - Consumer health resource center providing an overview and its causes, symptoms and treatment. Chemical Pneumonia - Consumer health resource center providing information on the causes, symptoms, and treatment. From eMedicine Health. Mayo Clinic: Pneumonia - A description of the disease plus complications, risk factors, diagnosis and treatment. Atypical Pneumonia - Causes, symptoms, and treatments of this condition, also called walking pneumonia. Descriptions of the organisms that commonly cause it.