Pneumocystis jirovecii pneumonia (patient information)
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Pneumocystis jirovecii pneumonia |
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Where to find medical care for Pneumocystis jirovecii pneumonia? |
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Pneumocystis jirovecii pneumonia On the Web |
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Directions to Hospitals Treating Pneumocystis jirovecii pneumonia |
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Risk calculators and risk factors for Pneumocystis jirovecii pneumonia |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Pneumocystis jiroveci pneumonia is a fungal infection of the lungs. The disease used to be called Pneumocystis carinii.
What are the symptoms of Pneumocystis jirovecii pneumonia?
Pneumocystis pneumonia in those with AIDS usually develops slowly over days to weeks or even months, and is less severe. People with pneumocystis pneumonia who do not have AIDS usually get sick faster and are more acutely ill. Symptoms include:
- Cough -- often mild and dry
- Fever
- Rapid breathing
- Shortness of breath -- especially with activity (exertion)
What causes Pneumocystis jirovecii pneumonia?
This type of pneumonia is caused by the fungus Pneumocystis jiroveci. This fungus is common in the environment and does not cause illness in healthy people. However, it can cause a lung infection in people with a weakened immune system due to:
- Cancer
- Chronic use of corticosteroids or other medications that weaken the immune system
- HIV/AIDS
- Organ or bone marrow transplant
Pneumocystis jiroveci was a relatively rare infection before the AIDS epidemic. Before the use of preventive antibiotics for the condition, most people in the United States with advanced AIDS would develop it.
Who is at highest risk?
When to seek urgent medical care?
Diagnosis
- Blood gases
- Bronchoscopy (with lavage)
- Lung biopsy
- X-ray of the chest
- Sputum exam to check for fungus that causes the infection
Treatment options
Antibiotics can be given by mouth (orally) or through a vein (intravenously), depending on the severity of the illness. People with low oxygen levels and moderate to severe disease are often prescribed corticosteroids as well.
Where to find medical care for Pneumocystis jirovecii pneumonia?
Directions to Hospitals Treating Pneumocystis jirovecii pneumonia
What to expect (Outlook/Prognosis)?
Possible complications
Sources
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