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All about pneumonia types of pneumonia walking pneumonia aspiration pneumonia bacterial pneumonia viral pneumonia bronchial pneumonia community-acquired pneumonia hospital-acquired pneumonia atypical pneumonia causes of pneumonia risk factors for pneumonia complications of pneumonia symptoms of pneumonia diagnosis of pneumonia treatment for pneumonia prevention of pneumonia

What're the risk factors for pneumonia?

The elderly (who tend to have diminished cough and gag reflexes and faltering immune systems) and infants and young children (who have immature immune systems and small airways) are at greater risk of community-acquired pneumonia

(CAP) than are young and middle-aged adults.

Certain individuals, such as the elderly, the very young, and those with chronic or severe medical conditions, are of course at higher risk of community-acquired pneumonia (CAP). Hospitalized patients are particularly vulnerable to gram-negative bacteria and staphylococci, which can be very dangerous, particularly in people who are already ill.

People, especially the elderly, who have recently had surgery or suffered a traumatic injury are also more likely to develop pneumonia because they are less able to breathe deeply, cough, and get rid of mucous.

Pneumonia is more likely to occur in people whose immune system is weakened by an existing illness, such as the flu, cancer, or AIDS, and in people with chronic conditions, such as sickle cell disease, heart disease, diabetes, kidney disease, asthma, chronic bronchitis, chronic obstructive pulmonary disease (COPD), emphysema, or cystic fibrosis.

Recruits on military bases and college students are at higher than average risk for Mycoplasma pneumonia , which is usually mild. These groups are at lower risk, however, for more serious types of pneumonia.

Frequent exposure to cigarette smoke can affect the lungs in ways that make a person more likely to develop pneumonia. The risk for pneumonia in smokers of more than a pack a day is three times that of nonsmokers. Those who are chronically exposed to cigarette smoke, which can injure airways and damage the cilia, are also at risk. Toxic fumes, industrial smoke, and other air pollutants may also damage cilia function, which is a defense again bacteria in the lungs.

Alcohol or drug abuse is strongly associated with pneumonia. These substances act as sedatives and can diminish the reflexes that trigger coughing and sneezing. Alcohol also interferes with the actions of macrophages, the white blood cells that destroy bacteria and other microbes. Intravenous drug abusers are at risk for pneumonia from infections that originate at the injection site and spread through the blood stream to the lungs.

More information on pneumonia

What is pneumonia? - Pneumonia is an infection of the lungs. Pneumonia is an inflammation of the lung caused by infection with bacteria, viruses, or other organisms.
What types of pneumonia are there? - Types of pneumonia are bacterial pneumonia, viral pneumonia, mycoplasma pneumonia, pneumocystis carinii pneumonia, aspiration (or inhalation) pneumonia.
What is walking pneumonia? - Walking pneumonia is pneumonia that is usually mild enough that the child does not have to stay in bed.
What is aspiration pneumonia? - Aspiration pneumonia is an inflammation of the lungs and bronchial tubes caused by inhaling foreign material.
What is bacterial pneumonia? - Bacterial pneumonia is pneumonia caused by bacteria. Streptococcus pneumoniae is the most common cause of bacterial pneumonia.
What is viral pneumonia? - Viral pneumonia is caused by various viruses. Viral pneumonia is usually milder than bacterial pneumonia.
What is bronchial pneumonia? - Bronchial pneumonia is when the pneumonia spreads to several patches in one or both lungs.
What is community-acquired pneumonia? - Community-acquired pneumonia occurs most commonly in very young and very old people.
What is hospital-acquired pneumonia? - Hospital-acquired pneumonia, also called nosocomial pneumonia, is an infection that patients get while they're in the hospital.
What is atypical pneumonia? - Atypical pneumonia is a pneumonia that does not respond to the usual antibiotic treatment.
What causes pneumonia? - Pneumonia is caused by viruses, bacteria, or parasites or other organisms such as Streptococcus pneumoniae.
What're the risk factors for pneumonia? - Alcohol or drug abuse is strongly associated with pneumonia. The elderly and infants and young children are at greater risk of pneumonia.
What're the complications of pneumonia? - Complications of pneumonia that may occur include buildup of fluid in the space between the lung and chest wall.
What are the symptoms of pneumonia? - Symptoms of pneumonia are shortness of breath, chest pain, coughing, shallow, and fever and chills.
How is pneumonia diagnosed? - The diagnosis of pneumonia is usually made from a medical history, a physical examination, and a chest X-ray.
What's the treatment for pneumonia? - Treatment of pneumonia consists of respiratory support, including O2 if indicated, and antibiotics.
How to prevent pneumonia? - Vaccines are available to protect against pneumococcal pneumonia, pneumonia caused by the bacterium.
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