Dr. Mercola: Is Pneumonia Contagious?

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Is Pneumonia Contagious?

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    Viral and bacterial pneumonia are usually contagious, and can be passed on to other people through exposure
    Contagious pneumonia cases can spread quickly, so if someone you know has bacterial or viral pneumonia, make sure to take extra precautions to avoid becoming infected

When people find out that a person has pneumonia, their first instinct is to stay away and avoid physical contact with the affected individual. But pneumonia can actually be either contagious or non-contagious – it depends on the organism that caused the illness.1
How Will You Know If Your Pneumonia Is Contagious?

Viral and bacterial pneumonia are usually contagious, and can be passed on to other people through exposure. However, they are not contagious throughout the course of illness – only during a certain period. A bacterial pneumonia also becomes less likely to be contagious after a few days of antibiotic treatment.2

Meanwhile, pneumonia caused by fungi or chemicals is not contagious. Chemical pneumonia, which is caused by inhalation of toxic fumes or gases, often manifests either because of chemical injury to the lung tissue or aspiration of gastric contents (such as gastric acid) in people with altered levels of consciousness, coma patients or drunk people.

Unless a virus or bacteria infects the lung tissue that is injured, then these are usually non-contagious.3
Factors That Increase Your Pneumonia Risk

Children under the age of 5 and adults over the age of 65 have a higher risk of pneumonia, because of their weakened immune systems, making them more susceptible to this disease. There are also certain risk factors that make people more likely to acquire pneumonia. These include:4

• Having a weakened immune system due to medications

• Having a pre-existing medical condition, such as heart or lung disease, asthma, AIDS/HIV, cancer, or damaged or removed spleens

• Smoking

Contagious pneumonia cases can spread quickly, so if someone you know has bacterial or viral pneumonia, make sure to take extra precautions to avoid becoming infected. Here are some strategies to remember:

• Wash your hands frequently with water and a non-antibacterial soap.

• Do not share eating utensils and glasses with people infected with pneumonia.

• Avoid smoking, as tobacco can weaken your lungs and hinder its ability to fight infections.5

• Strengthen your immune system by consuming a healthy diet composed of fresh, organic whole foods. Avoid processed foods at all costs.

• Get enough exercise, which will not only help reduce inflammation, but bolster your immune system as well.

• Avoid stress. Stress and anxiety can impair your immune system and make your body more susceptible to infections.

• Get plenty of rest and high-quality sleep.

MORE ABOUT PNEUMONIA

Pneumonia: Introduction
   

What Is Pneumonia?
   

Is Pneumonia Contagious?

Pneumonia Duration
   

Pneumonia Types
   

Pneumonia Causes

Pneumonia Symptoms
   

Pneumonia Treatment
   

Pneumonia In Children

Pneumonia In Elderly
   

Bronchitis vs Pneumonia
   

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Disclaimer: The entire contents of this website are based upon the opinions of Dr. Mercola, unless otherwise noted. Individual articles are based upon the opinions of the respective author, who retains copyright as marked. The information on this website is not intended to replace a one-on-one relationship with a qualified health care professional and is not intended as medical advice. It is intended as a sharing of knowledge and information from the research and experience of Dr. Mercola and his community. Dr. Mercola encourages you to make your own health care decisions based upon your research and in partnership with a qualified health care professional. If you are pregnant, nursing, taking medication, or have a medical condition, consult your health care professional before using products based on this content.

If you want to use an article on your site please click here. This content may be copied in full, with copyright, contact, creation and information intact, without specific permission, when used only in a not-for-profit format. If any other use is desired, permission in writing from Dr. Mercola is required.

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