Published on Apr 24, 2017 and last reviewed on Feb 03, 2023 - 2 min read
A microbial infection that results in a pus-filled cavity in the lung is called a lung abscess. Learn about its causes, symptoms, and treatment here.
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Lung abscess causes fluid accumulation in the lungs. Bacteria usually cause it. An untreated lung abscess may result in respiratory failure.
In recent times, the most common cause of lung abscesses is due to aspiration (swallowing) from the oral cavity. However, certain bacteria may also contribute to lung infections.
An abscess of the lungs can be quite serious. As the lungs play an essential role in respiration, lung abscesses may damage the lung tissues. Therefore, it may result in lung failure.
A type of lung abscess caused by anaerobic bacteria is called putrid lung abscess. The fluid present in this type of abscess may have an unpleasant smell. It causes infection and inflammation of the lungs.
Necrotic pneumonia is generally observed in adults with co-existing medical conditions. It is predominantly seen in males. Although it may cause serious health issues, it is not contagious.
The primary goal of treating lung abscesses is to drain any pus accumulated in the lung cavity. Usually, antibiotics are prescribed to help subside infection. However, some cases may require surgery to drain the abscess.
Necrosis refers to permanent damage to tissues. It may result due to a lack of blood supply or oxygen. A necrotic mass of the lungs indicates permanent lung damage.
Factors like smoking, diabetes, and other medically compromised conditions are high-risk factors. Also, exposure to certain toxic chemicals and inhalation of dangerous gases may affect the lungs. Elderly people are most prone to lung infections.
Individuals with comorbidities are at higher risk of lung abscesses. Taking primary preventive measures can help avoid lung abscesses. For example, proper vaccination and avoiding smoking can help prevent lung abscesses.
Macrolide antibiotics like Azithromycin are the preferred drug to treat lung infections. However, other antibiotics like Penicillin and Erythromycin are also found to be effective.
Antibiotics majorly help to prevent the multiplication of infections. So, the lungs can heal efficiently with antibiotics. However, certain lung nodules may require a multi-disciplinary approach, depending on their size and extension.
Lungs have the ability to repair and heal themselves. However, its capacity to regenerate depends on the degree of damage. Therefore, it may take a longer duration to heal completely.
Necrosis occurs due to decreased blood flow to various tissues in the body. Poor blood supply may damage the organs. Hence, necrosis in vital tissues has a high potential to cause death.
Last reviewed at:
03 Feb 2023 - 2 min read
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