Pneumonia is a common disease that can have more than 30 different causes and symptoms. It is a highly contagious lung infection caused by bacteria, a virus or fungi, Understanding pneumonia is very important because the treatment depends on it. It is a very serious health condition that should be brought to the attention of a medical professional. People think there is only one kind of pneumonia but there are different kinds of pneumonia and each has a different causes.


What is Pneumonia?

Pneumonia is a serious microbial infections that affects the lungs of the human respiratory system. It results in the swelling (inflammation) of the tissue in one or both lungs. It is caused by bacteria, viruses, fungi, and other disease causing pathogens.

Types of Pneumonia

Bacterial Pneumonia: Bacterial commonly affects everyone at any age. It can develop through cold or flu or sometimes even on its own. The most common cause of Bacterial pneumonia is Streptococcus pneumonia commonly occurs in people, who have an existing lung disorder, and also those who drink excessively because of which they develop a weaker immune system.

Symptoms: The symptoms that can be seen are shaking, fever, chills, chest pain, increased temperature, chattering teeth, blue lips and in some causes delirium.

Treatment: Antibiotics that fight the specific bacterium causing infection, cough medicine to relieve a cough and to help expel mucus. Fever-reducing medication

Viral Pneumonia: In many cases, the respiratory virus causes pneumonia, especially in elderly persons and young children. Pneumonia lasts a very short time and is not serious. But, in the case of the flu virus pneumonia can be severe or fatal. It is harmful to individuals with heart or lung issues or pregnant women.

Symptoms: The symptoms include shortness of breath, headache, fatigue, fever, muscle pain, constant high fever, blueness of the lips, shaking or chills, sweating, and weakness.

Treatment: Pain medication to help deal with the chest pain and frequent coughing, oxygen therapy, cough medicine, drinking plenty of fluids, breathing treatments, such as using a humidifier.

Hospital-acquired pneumonia: This develops during a hospital stay for other health problem. Healthcare-associated pneumonia usually develops in a healthcare facility, such as a nursing home. People who depend on machines to help them breathe are basically prone to developing hospital-acquired pneumonia.

Symptoms: This Pneumonia is very serious and may include high fever, loss of breath and chest pain

Treatment: Pneumonia acquired from hospitals usually can be treated in the hospital with antibiotics.

Aspiration pneumonia: This condition can develop after a person inhales gases, liquid, dust or food. A gag reflex or a cough can easily prevent aspiration pneumonia, but it can be hard to in swallow. Toxin-related pneumonia is seen in the elderly with poor swallowing mechanisms, such as stroke victims.

Cause for aspiration pneumonia includes:

Gastroesophageal reflux disease (GERD)


Overuse of alcohol or drugs

General surgery

Neurological diseases


These include increased, confusion, fever, loss of breath and sputum.


Treatment include and intravenous antibiotics are given in hospitals and breathing assistance.

Stay tuned with BYJU’S to learn more in detail about Pneumonia and other infections caused by the bacterial and other microbes.

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