Pneumonia: Meaning and Symptoms



Pneumonia Symptoms and Causes

What Is Bacterial Pneumonia?

Bacteria are the most common cause of pneumonia in adults.

Bacterial pneumonia may follow a viral infection, like a cold or the flu (influenza). This type of pneumonia usually affects one area of the lung and is referred to as lobar pneumonia.

Types of bacteria that cause pneumonia include:

Streptococcus pneumoniae, also known as pneumococcus, is the most common cause of bacterial pneumonia in adults, called pneumococcal pneumonia. (2)

It may be prevented by a vaccine. The Centers for Disease Control and Prevention (CDC) recommends two pneumonia vaccines for adults 65 years and older: pneumococcal conjugate vaccine, or Prevnar 13 (PCV13), and pneumococcal polysaccharide vaccine, or Pneumovax 23 (PPSV23). (3)

According to the CDC:

  • You should receive a dose of the pneumococcal conjugate vaccine (PCV13) first, followed at least one year later by a dose of the pneumococcal polysaccharide vaccine (PPSV23).
  • If you've already received any doses of PPSV23, the dose of PCV13 should be given at least one year after the most recent PPSV23 dose.
  • If you've already received a dose of the PCV13 at a younger age, another dose is not recommended.

Mycoplasma pneumoniae usually infects younger adults who work in crowded areas, such as schools, homeless shelters, or prisons. (4)

Chlamydophila pneumoniae causes a mild pneumonia infection that usually affects people older than 60. (5)

Haemophilus influenzae type B (Hib) infection can be prevented with a vaccine, called the Hib vaccine. It's recommended for all children younger than age 5 and is usually given to infants starting at 2 months old. (6)

Most bacteria that cause pneumonia are pyogenic bacteria, which means that they form pus, a combination of debris from serum, dead bacteria, and white blood cells. A cough that produces discolored mucus in the presence of fever and shortness of breath can be a classic sign of bacterial pneumonia.

Other bacterial pneumonia symptoms include:

  • High fever
  • Chills
  • Rapid breathing
  • Pain when coughing or breathing deeply
  • Shortness of breath
  • Exhaustion
  • Loss of appetite

Bacterial pneumonias tend to be more serious with more noticeable symptoms than other types of pneumonia.






Video: Mayo Clinic Minute: Is pneumonia bacterial or viral?

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Date: 06.12.2018, 10:45 / Views: 51245