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It can be mild and sometimes even fatal.

Causative Agent of Pneumonia Pneumonia is a kind of serious infection of lungs which is caused by various types of bacteria, viruses and even fungi. It can be mild and sometimes even fatal. It affects people having weakened immune systems, amongst older people that are above 65 years of age, infants and younger children. Pneumonia can either be bacterial, viral or even mycoplasma. It is a serious health issue that requires a proper treatment. Pneumonia is a common disease which can have more than 30 types of causes and symptoms. It is a contagious lung infection which is characterised by the inflammation of air sacs in either one or both the lungs. The air sacs tend to get filled with fluid or pus which results in fever, cough, chills and breathing difficulty. In this article, we will study types of pneumonia, the causative agent of pneumonia, pneumonia symptoms treatment and prevention, and take a look at the pneumonia short note. How is Pneumonia Caused Let us now learn about the pneumonia causes and symptoms. Bacteria, viruses, or even fungi can lead to pneumonia. The common causes include the following:

Types of Pneumonia Let us learn about the pneumonia types and causes.

The most common bacteria which leads to pneumonia is the Streptococcus pneumoniae. It occurs amongst people having an existing lung disorder, and those who drink excessively due to which they develop a weakened immune system. It also affects older people whose immunity keeps weakening with increasing age.

It is caused due to various viruses like the influenza virus. More than 1/3 rd of the total pneumonia cases are caused due to viruses.

This is called atypical pneumonia and shows different kinds of symptoms. It is caused due to Mycoplasma pneumoniae which causes mild pneumonia which affects all age groups.

These are quite less common and can be caused by several other infectious agents like fungi. Pneumonia Symptoms Causes and Prevention Let us look at the pneumonia causes and symptoms. The initial symptoms of pneumonia usually resemble the ones of a cold or flu. The person then starts to develop a high fever, chills, and cough along with sputum. The Common Symptoms Include the Following:

The symptoms tend to vary depending on the several other underlying conditions and the kind of pneumonia. Pneumonia Diagnosis If your doctor thinks that you might have pneumonia, they would probably give you the following tests:

In case your symptoms started in the hospital or if you have any other health problems, your doctor might also give you more tests, like:

Pneumonia Treatment The treatment varies according to the type and severity of pneumonia.

Hospitalization for pneumonia might be required if the symptoms are especially bad or if the individual has a weakened immune system or any other kinds of serious illnesses.

Pneumonia is caused due to the infections by bacteria or viruses and is less commonly caused by fungi and parasites. Streptococcus pneumoniae is amongst the most common causes of bacterial pneumonia. Adenoviruses, influenza virus (flu), rhinovirus, parainfluenza virus, and respiratory syncytial virus (RSV), are all amongst the potential causes of viral pneumonia. Histoplasmosis, blastomycosis, aspergillosis, coccidioidomycosis, and cryptococcosis are the fungal infections which can lead to fungal pneumonia.

Pneumonia is a communicable or contagious disease only when the causative pathogens that are usually bacteria or viruses are expelled by the infected person when they are coughing out the infected droplets. These expelled droplets consist of the bacteria or virus which causes pneumonia. These tend to droplets contaminate the mouth or even the breathing tract of another individual and eventually infect their lungs.

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