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Aspiration pneumonia is inflammation of the lungs and airways to the lungs (bronchial tubes) from breathing in foreign material.
Aspiration pneumonia occurs when foreign materials (usually food, liquids, vomit, or fluids from the mouth) are breathed into the lungs or airways leading to the lungs.
This may lead to:
Anaerobic pneumonia; Aspiration of vomitus; Necrotizing pneumonia; Aspiration pneumonitis
Risk factors for aspiration or breathing in of foreign material into the lungs are:
Acidic material that is breathed into the lungs can cause severe lung injury. However, it may not necessarily lead to pneumonia.
Other symptoms that can occur with this disease:
A physical examination may reveal:
The following tests may also help diagnose this condition:
Some people may need to be hospitalized. Treatment depends on the severity of the pneumonia. You may receive antibiotics, which treat bacteria. Some people may get special antibiotics to treat bacteria that live in the mouth.
The type of bacteria that caused the pneumonia depends on:
You may need to have your swallowing function tested. Patients who have trouble swallowing may need to use other feeding methods to reduce the risk of aspiration.
The outcome depends on:
If acute respiratory failure develops, the patient may have a long-term illness or die.
Many people who have aspiration pneumonia have other serious health problems, which may affect the outlook for recovery.
Call your health care provider, go to the emergency room, or call the local emergency number (such as 911) if you have:
Donowitz GR. Acute pneumonia. In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 7th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2009:chap 64.
Torres A, MenÃ©ndez R, Wunderink R. Pyogenic bacterial pneumonia and lung abscess. In: Mason RJ, Broaddus VC, Martin TR, et a. Murray & Nadel's Textbook of Respiratory Medicine. 5th ed. Philadelphia, Pa: Saunders Elsevier; 2010:chap 32.