Atypical pneumonia

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Atypical pneumonia
Classification and external resources
DiseasesDB 1132
MedlinePlus 000079

Atypical pneumonia is a term used to describe a form of pneumonia not caused by one of the more traditional pathogens.

Contents

[edit] Causes

PNEUMONIA
Infectious pneumonias
Pneumonias caused by infectious or noninfectious agents
Noninfectious pneumonia
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It can caused by one or a combination of the following organisms:

Legionella pneumophila
Causes a severe form of pneumonia with a relatively high mortality rate, known as legionellosis or Legionnaires' disease.
Mycoplasma pneumoniae
Usually occurs in younger age groups and may be associated with neurological and systemic (e.g. rashes) symptoms.
Chlamydophila pneumoniae
Mild form of pneumonia with relatively mild symptoms.

The severe acute respiratory syndrome (SARS) was also considered a kind of atypical pneumonia, and is still called so in the Chinese mainland.

[edit] Symptoms

Symptoms include pyrexia, shortness of breath, laboured breathing, cough and potentially cough fractures, arthralgia (joint pain), malaise, loss of appetite, confusion, rash, and diarrhoea.

[edit] Treatment

Treatment is with oral antibiotics, mainly with those which interfere with protein synthesis e.g. erythromycin, and diagnosis is confirmed by blood cultures and sputum samples.

[edit] Prognosis

Prognosis is usually good and is influenced by age and immunosuppression.

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