Diseases

Pneumonia

Pneumonitis, Bronchopneumonia

Pneumonia is an inflammation of the pulmonary alveoli and the surrounding tissue, often caused by an infection. Because the alveoli are being filled with white blood cells and moisture, there may be less oxygen going through the wall of the alveoli into the blood. This can cause chest tightness.


Cause

Pneumonia is caused by a pathogen, such as a virus, bacterium or fungus. After surgery or in case of broken ribs, coughing can be very painful, which allows coughing to be less effective or less frequent. As a result, pathogens will be poorly disposed. By an obstruction in the airway, for example due to a tumor, it’s difficult to clean up pathogens as well. This can result in an infection.

The most common pathogen of pneumonia is the bacterium Streptococcus pneumoniae. Viruses that cause pneumonia are the influenza virus, the chickenpox virus and SARS viruses. Especially viral pneumonia can be contagious. After infection, it takes two to nineteen days before the first symptoms occur.


Symptoms

Pneumonia starts with an irritation of the lung tissue. Signs and symptoms associated with pneumonia are:

There may be blood in the coughed-up mucus, because the walls of the alveoli swell or get broken. Blood plasma and red and white blood cells from tiny blood vessels in the lungs fill the space then. As a result, the portion of the lung concerned is relatively hard and is temporarily not functional.


Diagnosis

The diagnosis of pneumonia is mainly based on the patient’s symptoms and physical examination. The doctor listens to the lungs and assesses how serious the infection is by looking for blue discoloration of the skin and by measuring the temperature. Optionally, an X-ray is made to give answer.


Treatment

In case of a mild pneumonia, the patient doesn’t need to be hospitalized, he or she can be treated at home. The medication that is given depends on the cause of the pneumonia. Antibiotics are effective with a bacterial cause, but not with a viral form. Fever and pain can be relieved by painkillers.

If there’s severe pneumonia, admission to the hospital is required. The patient will receive medication via an infusion. Sometimes, extra oxygen is given. Physical therapy stimulates breathing and coughing. Coughing up mucus is important, because it takes away waste products from the lungs.

After pneumonia, it may take a while before the patient is his or hers old self again. The body needs time to recover from the disease. The patient may continue feeling tired and the cough may also persist for a while. How long the recovery will take, depends on the cause and the severity of the inflammation.


Prognosis

People who are still young and in good condition, usually recover of most forms of pneumonia within a few weeks without permanent damage to the lungs. In case of the bacterial form, the recovery begins a few hours after starting treatment with antibiotics. Severe forms of pneumonia, such as legionnaires’ disease, can be fatal, especially in children, the elderly and people with poor immune systems.


Considerations


Facts

Guide

Cause

Symptoms

Diagnosis

Treatment

Prognosis

Considerations

Facts

See also

Cancer

Chickenpox

Influenza

Headache

Sore Throat

Radiography

Temperature Measurement

Healthy Food

Smoking

Category

Infection, Lung disease

First Health Guide

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