How Do We Get Pneumonia

How You Catch Pneumonia

While anyone can catch pneumonia, some people are more likely to come down with illness when coming into contact with the germs. Like many other illnesses, pneumonia is caught through contact with the bacteria or virus that creates pneumonia.

Coughing and sneezing are the most common ways these germs spread.

Its also possible to catch the illness by touching something like a counter or door handle, sharing cups and utensils, and touching your face without washing your hands first.

How To Determine If You Have Pneumonia

This article was medically reviewed by Victor Catania, MD. Dr. Catania is a board certified Family Medicine Physician in Pennsylvania. He received his MD from the Medical University of the Americas in 2012 and completed his residency in Family Medicine at the Robert Packer Hospital. He is a member of the American Board of Family Medicine.There are 9 references cited in this article, which can be found at the bottom of the page.wikiHow marks an article as reader-approved once it receives enough positive feedback. In this case, 100% of readers who voted found the article helpful, earning it our reader-approved status. This article has been viewed 75,807 times.

Research shows that pneumonia is an infection of the air sacs in your lungs that can be caused by bacteria, viruses, or fungi.XTrustworthy SourceMayo ClinicEducational website from one of the world’s leading hospitalsGo to source This infection is most dangerous for children, elderly people, and those with weakened immune systems, and it can become life-threatening. Experts note that if you recognize the symptoms and seek medical help right away, pneumonia can be treated effectively.XTrustworthy SourceMayo ClinicEducational website from one of the world’s leading hospitalsGo to source

Spreading Pneumonia To Others

If your pneumonia is caused by a virus or bacteria, you may spread the infection to other people while you are contagious. How long you are contagious depends on what is causing the pneumonia and whether you get treatment. You may be contagious for several days to a week.

If you get antibiotics, you usually cannot spread the infection to others after a day of treatment.

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What Is Aspiration Pneumonia

Aspiration pneumonia is pneumonia that is caused by something other than air being inhaled into your respiratory tract. These non-air substances can be food, liquid, saliva, stomach contents, toxins or even a small foreign object.

Theres also a condition called aspiration pneumonitis which is caused by the same type of thing happening but there is only inflammation and irritation, not infection. Its difficult to tell the two conditions apart.

Other names for aspiration pneumonia include anaerobic pneumonia, necrotizing pneumonia and aspiration of vomitus.

What Increases Your Risk

You are more likely to get pneumonia if you:

• Smoke. Cigarette smoking is a strong risk factor for pneumonia in healthy young people.
• Have another medical condition, especially lung diseases such as chronic obstructive pulmonary disease or asthma.
• Are younger than 1 year of age or older than 65.
• Have an impaired immune system.
• Take medicine called a proton pump inhibitor that reduces the amount of stomach acid.footnote 3, footnote 4
• Drink excessive amounts of alcohol.
• Recently had a cold or the flu.

You are more likely to have complications of pneumonia and need to go to the hospital if you:

• Are older than 65.
• Have some other illness , or have gone to the hospital for a medical problem within the last 3 months.
• Have had your spleen removed or do not have a working spleen .
• Have an alcohol use problem.
• Have a weak immune system.
• Reside in a place where people live close together, such as a university dorm or nursing home.

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Cover Your Mouth And Nose

While the preferred method for covering your mouth when you cough or sneeze is into a tissue, not everyone can get to tissues in time when the urge to cough or sneeze hits. If you have the urge to cough or sneezeand a tissue isnt availablethe next best thing is to cover your mouth or nose with the inside of your elbow.

Coughing or sneezing into your elbow will decrease the chances of your leaving traces of your infection on door handles, faucets, or anything else you touch.

How Do You Diagnose Pneumonia

• Symptoms – a doctor will suspect pneumonia from asking about your symptoms and how you are feeling. They may also ask about your medical history and that of your family. They will be interested in whether you smoke, how much and for how long. The examination may include checking your temperature. Sometimes your doctor will check how much oxygen is circulating around your body. This is done with a small device that sits on the end of your finger. The doctor will listen to your chest, so they may want you to lift or take off your top. If you want a chaperone during the examination, the doctor will arrange one. If you have asthma, they may ask you to check your peak flow measurement. They will listen to your chest with a stethoscope. Tapping your chest over the infected lung is also sometimes performed. This is called percussion. An area of infected lung may sound dull.
• X-ray – a chest X-ray may be required to confirm the diagnosis and to see how serious the infection is.
• Other tests – these tests are usually carried out if you need to be admitted to hospital. They include sending a sample of phlegm for analysis and blood cultures to check if the infection has spread to your blood.

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When To Call The Doctor

You should call your childs doctor if your child:

• Has trouble breathing or is breathing much faster than usual
• Has a bluish or gray color to the fingernails or lips
• Is older than 6 months and has a fever over 102°F
• Is younger than 6 months and has a temperature over 100.4°F.
• Has a fever for more than a few days after taking antibiotics

When your child should stay home and return to school or childcare

What To Think About

In most cases pneumonia is a short-term, treatable illness. But frequent bouts of pneumonia can be a serious complication of a long-term illness, such as chronic obstructive pulmonary disease . If you have a severe long-term illness, it may be hard to treat your pneumonia, or you may choose not to treat it. You and your doctor should discuss this. This discussion may include information about how to create an advance care plan.

For more information, see:

There are a number of steps you can take to help prevent getting pneumonia.

• Stop smoking. You’re more likely to get pneumonia if you smoke.
• Avoid people who have infections that sometimes lead to pneumonia.
• Stay away from people who have colds, the flu, or other respiratory tract infections.
• If you haven’t had measles or chickenpox or if you didn’t get vaccines against these diseases, avoid people who have them.

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The Main Causes Of Pneumonia:

• Exposure to a germ
• Weakened immune system

Some of the germs that cause pneumonia are easily spread from one person to another. They are carried in the nose and throat of an infected person. When an infected person coughs or sneezes, they spray drops of infected saliva into the air around them. A person who breathes in that air can get pneumonia.

There are many things you can do to lower your risk of getting pneumonia. Not smoking is an important way to help prevent pneumonia. People who smoke, and children whose parents smoke, are at a higher risk of getting pneumonia.

Pneumococcal vaccinations help protect you against invasive pneumococcal infections such as pneumonia, bacteremia and meningitis .

Ask your health-care provider about getting the pneumococcal vaccination. For details on when the pneumococcal vaccinations are required, starting at two months of age, see Ontarios Routine Immunization Schedule. Some adults may need it every five years. Prevention of pneumonia through immunization is even more important now since some infections have become more resistant to antibiotics.

Things You Should Know About Pneumonia

• By Stephanie Watson, Executive Editor, Harvard Women’s Health Watch

Pneumonia is an infection that causes the air sacs in the lungs to fill up with fluid or pus, which makes it harder to breathe. The most common symptoms are cough that may be dry or produce phlegm, fever, chills and fatigue. Other symptoms may include nausea, vomiting, diarrhea, and pain in the chest. and shortness of breath. Signs that indicate a more severe infection are shortness of breath, confusion, decreased urination and lightheadedness. In the U.S., pneumonia accounts for 1.3 visits to the Emergency Department, and 50,000 deaths annually.

With the COVID-19 pandemic continuing to affect people around the world, pneumonia has become an even larger health concern. Some people infected with the COVID-19 have no symptoms, while others may experience fever, body ache, dry cough, fatigue, chills, headache, sore throat, loss of appetite, and loss of smell.

The more severe symptoms of COV-19, such as high fever, severe cough, and shortness of breath, usually mean significant lung involvement. The lungs can be damaged by overwhelming COVID-19 viral infection, severe inflammation, and/or a secondary bacterial pneumonia. COVID-19 can lead to long lasting lung damage.

Here are other important facts you should know about pneumonia:,

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What Is The Outlook For Pneumonia

People who are otherwise healthy often recover quickly when given prompt and proper care. However, pneumonia is a serious condition and can be life-threatening if left untreated and especially for those individuals at increased risk for pneumonia.

Even patients who have been successfully treated and have fully recovered may face long-term health issues. Children who have recovered from pneumonia have an increased risk of chronic lung diseases. Adults may experience:

• General decline in quality of life for months or years

How To Reduce Your Risk Of Getting Pneumonia

• If you smoke, try to quitsmoke damages the natural defenses in your lungs that protect you from infections
• Ask your health-care provider about getting the pneumococcal vaccination
• Get the flu vaccination each yearsince pneumonia can be a complication of getting the flu, the flu vaccine helps reduce the risk of both the flu and pneumonia
• Stay away from people who are sick
• Wash your hands regularlywhen soap and water are not available, use a hand sanitizer that contains at least 60% alcohol
• If you have an underlying condition that increases your risk of pneumonia , make sure its kept under control
• If you are at a higher risk from pneumonia and you get a cough, fever or shortness of breath, see your health-care provider right away.
• Regular exercise, adequate sleep and a healthy diet can strengthen your immune system.

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Questions To Ask Your Doctor

• I have a chronic condition. Am I at higher risk for pneumonia?
• Do I have bacterial, viral, or fungal pneumonia? Whats the best treatment?
• Am I contagious?
• How serious is my pneumonia? Will I need to be hospitalized?
• What can I do at home to help relieve my symptoms?
• What are the possible complications of pneumonia? How will I know if Im developing complications?
• What should I do if my symptoms dont respond to treatment or get worse?
• Do we need to schedule a follow-up exam?
• Do I need any vaccines?

Favorite Orgs That Can Help Fight Pneumonia

Those over age 65 have a higher risk of getting pneumonia than younger adults. They may be especially susceptible to community-acquired pneumonia, spread among large populations of elderly people in settings such as assisted living facilities. This organization, devoted to finding the best products and services for seniors, publishes advice on how older adults should handle prevention and care.

Influenza is a common cause of pneumonia. Several national healthcare organizations and the CDC are collaborating in an effort called United Against the Flu to stress the importance of getting immunized. The groups website supplies resources and details on the vaccination.

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What Is The Outlook If I Have Aspiration Pneumonia

Most people who get aspiration pneumonia and get treatment will survive. The prognosis for aspiration pneumonia also depends on your overall health and other conditions that you may have and how sick you were when you started treatment.

Untreated aspiration pneumonia can be dangerous, resulting in things like lung abscesses or lung scarring. In fact, it can result in death.

Take Steps To Protect Yourself And Others

The following steps can help you prevent spreading the infection to others around you.

• Cover your nose and mouth while coughing or sneezing.
• Get rid of used tissues right away.
• Limit contact with family and friends.
• Wash your hands often, especially after coughing and sneezing.

Some people get pneumonia again and again. Tell your doctor if this happens. Return to Prevention to find more strategies to help prevent pneumonia.

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Lab Tests For Pneumonia

The need for more tests often depends on how severe your symptoms are, your age, and your overall health. In general, the sicker you are, the more tests you may need. This is especially true for older adults and infants. One example of a test you may have is the arterial blood gas test.

Mucus test

If you are very ill, have severe shortness of breath, or have a condition that increases your risk , your doctor may test your mucus. Tests include a Gram stain and a sputum culture.

Rapid urine test

This test can identify some bacteria that cause pneumonia. This can help guide treatment for pneumonia.

HIV test

In people who have impaired immune systems, pneumonia may be caused by other organisms, including some forms of fungi, such as Pneumocystis jiroveci . This fungus often causes pneumonia in people who have AIDS. Some doctors may suggest an HIV test if they think that Pneumocystis jiroveci is causing the pneumonia.

Other lung tests

If you have severe pneumonia, you may need other tests, including tests to check for complications and to find out how well your immune system is working.

Can You Catch Pneumonia More Than Once

Yes. Pneumonia is caused by many different microbes, and so getting it once does not protect you from getting it again. If you get pneumonia more than once you may need to have more investigations to understand why this has happened. It could be due to a problem in your chest or your immune system, and you may be referred to a specialist.

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Pneumonia Symptoms And Causes

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There are more than 30 different causes of pneumonia, including bacteria, viruses, airborne irritants, and fungi. When these germs enter the lungs, they can overpower the immune system and invade nearby lung tissues, which are very delicate.

Once infected, the air sacs in the lungs become inflamed and fill up with fluid and pus, which causes coughing, fever, chills, and breathing problems.

Questions About Your Symptoms

Bacterial pneumonia, which is the most common form, tends to be more serious than other types of pneumonia, with symptoms that require medical care. The symptoms of bacterial pneumonia can develop gradually or suddenly. Fever may rise as high as a dangerous 105 degrees F, with profuse sweating and rapidly increased breathing and pulse rate. Lips and nailbeds may have a bluish color due to lack of oxygen in the blood. A patient’s mental state may be confused or delirious.

The symptoms of viral pneumonia usually develop over a period of several days. Early symptoms are similar to influenza symptoms: fever, a dry cough, headache, muscle pain, and weakness. Within a day or two, the symptoms typically get worse, with increasing cough, shortness of breath and muscle pain. There may be a high fever and there may be blueness of the lips.

Symptoms may vary in certain populations. Newborns and infants may not show any signs of the infection. Or, they may vomit, have a fever and cough, or appear restless, sick, or tired and without energy. Older adults and people who have serious illnesses or weak immune systems may have fewer and milder symptoms. They may even have a lower than normal temperature. Older adults who have pneumonia sometimes have sudden changes in mental awareness. For individuals that already have a chronic lung disease, those symptoms may worsen.

When to call a doctor

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What Is Walking Pneumonia

Walking pneumonia is a mild case of pneumonia. It is often caused by a virus or the mycoplasma pneumoniae bacteria. When you have walking pneumonia, your symptoms may not be as severe or last as long as someone who has a more serious case of pneumonia. You probably wont need bed rest or to stay in the hospital when you have walking pneumonia.

What Are The Signs And Symptoms Of Pneumonia In Children

The signs and symptoms of pneumonia in children vary from child to child and also depend on your childs age, cause of the infection, and severity of their illness.

Usual symptoms include:

• Cry more than usual. Are restless or more fussy.

Adolescents have the same symptoms as adults, including:

• Cough.
• Difficulty breathing/shortness of breath.
• Chest pain.

Newborns are at greater risk of pneumonia caused by bacteria present in the birth canal. In young children, viruses are the main cause of pneumonia.

Pneumonia caused by bacteria tends to happen suddenly, starting with fever and fast breathing. Symptoms appear more slowly and tend to be less severe when pneumonia is caused by viruses.

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