Atypical pneumonia

Walking pneumonia; Community-acquired pneumonia - atypical

Pneumonia is inflamed or swollen lung tissue due to infection with a germ.

With atypical pneumonia, the infection is caused by different bacteria than the more common ones that cause pneumonia. Atypical pneumonia also tends to have milder symptoms than typical pneumonia.

Lungs

The major features of the lungs include the bronchi, the bronchioles and the alveoli. The alveoli are the microscopic blood vessel-lined sacks in which oxygen and carbon dioxide gas are exchanged.

Respiratory system

Air is breathed in through the nasal passageways, travels through the trachea and bronchi to the lungs.

Causes

Symptoms

Exams and Tests

Treatment

Outlook (Prognosis)

Possible Complications

When to Contact a Medical Professional

Prevention