Are You Contagious Or Not
Common Cold
When are you probably the most contagious? Within the first 48-72 hours.
How long could you be contagious with a cold? Up to 2 weeks.
How does a common cold spread? Hand contact or droplets in the air.
How do you avoid infecting others?
- Cough/sneeze into your elbow and not your hands.
- Stay home until symptoms improve and your fever resolves.
Hand hygiene: Clean your hands often with soap and water/alcohol-based hand sanitizers.
Flu
When are you probably the most contagious? Within the first 48 hours.
How long could you be contagious with the flu? Up to 10 days.
How does the flu spread? Coughing/sneezing .
How do you avoid infecting others?
- Stay on top of hand hygiene.
- Cough or sneeze into your elbow and not your hands.
- Stay home until symptoms improve and fever resolves.
Hand hygiene: Clean your hands often with soap and water/alcohol-based hand sanitizers.
Sore Throat/Strep
When are you probably the most contagious? Within the first 48-72 hours.
How long could you be contagious with a sore throat or strep? Three to four weeks if left untreated. You could be contagious with strep 24 to 48 hours after you start antibiotics.
How does a sore throat or strep spread? Saliva or nasal mucus/discharge .
How do you avoid infecting others?
- Avoid close contact with others.
- Dont share utensils or drinks.
Extra hand hygiene: Wash your hands with plain soap and water for 20-30 seconds scrub your nails, wrists and between your fingers. Rinse thoroughly.
Bronchitis
Pneumonia
Is Bacterial Pneumonia Contagious
Whether or not bacterial pneumonia is contagious depends upon the type of bacteria causing the infection. In many cases, people contract pneumonia when bacteria they normally carry in the nose or throat are spread to the lungs. Most kinds of bacterial pneumonia are not highly contagious. However, pneumonia due to Mycoplasma pneumoniae and tuberculosis are exceptions. Both these types of bacterial pneumonia are highly contagious. These are spread among people by breathing in infected droplets that come from coughing or sneezing, similar to the spread of viral infections.
When Should I See My Doctor
Pneumonia can be life-threatening if left untreated, especially for certain at-risk people. You should call your doctor if you have a cough that wont go away, shortness of breath, chest pain, or a fever. You should also call your doctor if you suddenly begin to feel worse after having a cold or the flu.
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Covid Pneumonia: How Long Does Recovery Take
You’re likely familiar with the common, mild symptoms of COVID-19 including fever, dry cough and fatigue.
But, in more severe cases, COVID-19 can also cause serious complications, including pneumonia.
“We still have a lot to learn about COVID-19, particularly about the havoc it can wreak on the lungs and the pneumonia it causes, which is often now called COVID pneumonia,” says Dr. Rayman Lee, pulmonologist at Houston Methodist.
That being said, there’s still plenty that experts like Dr. Lee do know about COVID pneumonia, including about how long it can take to fully recover from it.
Key Points About Pneumonia

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Pneumonia is an infection of one or both of the lungs caused by bacteria, viruses, or fungi.
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There are more than 30 different causes of pneumonia, and theyre grouped by the cause. The main types of pneumonia are bacterial, viral, and mycoplasma pneumonia.
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A cough that produces green, yellow, or bloody mucus is the most common symptom of pneumonia. Other symptoms include fever, shaking chills, shortness of breath, low energy, and extreme tiredness.
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Pneumonia can often be diagnosed with a thorough history and physical exam. Tests used to look at the lungs, blood tests, and tests done on the sputum you cough up may also be used.
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Treatment depends on the type of pneumonia you have. Antibiotics are used for bacterial pneumonia. It may also speed recovery from mycoplasma pneumonia and some special cases. Most viral pneumonias dont have a specific treatment and just get better on their own. Other treatment may include a healthy diet, more fluids, rest, oxygen therapy, and medicine for pain, cough, and fever control.
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Most people with pneumonia respond well to treatment, but pneumonia can cause serious lung and infection problems. It can even be deadly.
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What Are The Symptoms Of Omicron
Early evidence suggests that for most people, at least for those who are up to date on their Covid vaccines, omicron appears to result in mild illness that can resemble the common cold, another form of the coronavirus. Poehling, who is also a member of the Advisory Committee on Immunization Practices, which helps guide the Centers for Disease Control and Preventions decisions on vaccines, said there appear to be prominent symptoms from omicron:
- Cough
- Fatigue or tiredness
- Congestion and runny nose
Unlike in previous variants, the loss of taste and smell seems to be uncommon, she said.
But Poehling and other experts say those symptoms are based on early reports of omicron cases, not scientific studies.
“Anecdotal reports represent just one person,” said Dr. Bruce Y. Lee, a professor of health policy and management at the City University of New York School of Public Health. “We have to take them with a grain of salt.”
What’s more, they may only reflect certain segments of the population: young and otherwise healthy, as well as those who are fully vaccinated.
“It is clear that if you’re vaccinated, particularly if youve had a booster, omicron tends to produce milder infections,” said Dr. William Schaffner, an infectious disease expert at the Vanderbilt University Medical Center in Nashville, Tennessee.
“What we haven’t seen yet is a substantial body of information about what omicron will do in unvaccinated people,” he added.
When Should Someone Seek Medical Care For Bacterial Pneumonia
When to call the doctor
- If you have a fever and cough up yellow, green, or brown sputum, make an appointment with your doctor.
- If you have shortness of breath, chest pain, or confusion, you should seek emergency care.
- If you are healthy, you can safely make an appointment to see your doctor. It is best to contact your physician if you have concerns about possible pneumonia.
When to go to the hospital
- If you have shortness of breath, you should always seek emergency care. Shortness of breath is not simply the feeling that you can’t take a full breath shortness of breath means that you cannot take in enough air to meet your body’s needs. It is a potentially serious symptom and always requires a visit to an emergency department, no matter how healthy you are.
- If you have chest pain or confusion, you should seek emergency care.
- You are at higher risk of developing pneumonia if you have the following:
- a chronic health problem, such as diabetes
- a poor immune system because of HIV, AIDS, steroid use, or immune-suppressant medications
- diseased or damaged lungs, such as with asthma or emphysema
- are very young or very old
- or you have had your spleen removed.
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What Can I Do To Feel Better If I Have Pneumonia
- Finish all medications and therapies prescribed by your doctor. Do not stop taking antibiotics when you start feeling better. Continue taking them until no pills remain. If you dont take all your antibiotics, your pneumonia may come back.
- If over-the-counter medicines to reduce fever have been recommended , take as directed on the label. Never give aspirin to children.
- Drink plenty of fluids to help loosen phlegm.
- Quit smoking if you smoke. Dont be around others who smoke or vape. Surround yourself with as much clean, chemical-free air as possible.
- Use a humidifier, take a steamy shower or bath to make it easier for you to breathe.
- Get lots of rest. Dont rush your recovery. It can take weeks to get your full strength back.
If at any time you start to feel worse, call your doctor right away.
Limit Contact With Others
One of the best things you can do when recovering from pneumonia is to limit your contact with others. As weve learned throughout the COVID-19 pandemicwhich can cause viral pneumoniastaying at least six feet away from others reduces the amount of viral or bacterial content they are exposed to as you breathe or talk.
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Is Pneumonia Contagious When On Antibiotics
Written byEmily LunardoPublished onJune 24, 2016
We know that pneumonia is contagious, but is it still contagious when you are on antibiotics? Before we answer that question, lets first explore how long pneumonia is contagious for.
When beginning antibiotic treatment for pneumonia, patients may typically observe improvements in health within two to three days. If by chance you actually get worse during this time, your doctor will change your treatment but only after at least three days.
Antibiotics have a high cure rate for pneumonia and are chosen based on a few factors, including the age of a patient, symptoms, severity, and the necessity of hospitalization.
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The CDC says that its guidelines were updated to reflect growing evidence that suggests transmission of COVID-19 often occurs one to two days before the onset of symptoms and during the two to three days afterward.
“This has to do with data from the CDC that really showed after seven days there’s virtually no risk of transmission at this point,” Arwady said. “And in that five-to-seven-day window, you know, there’s some depending on whether people have been vaccinated, underlying conditions, etc., but the risk drops a lot and the feeling is that in the general population, combined with masking, etc. the risk really is very low.”
For those without symptoms, CDC guidance states they are considered contagious at least two days before their positive test.
The CDC states that anyone who may have been exposed to someone with COVID should test five days after their exposure, or as soon as symptoms occur.
“If symptoms occur, individuals should immediately quarantine until a negative test confirms symptoms are not attributable to COVID-19,” the guidance states.
IDPH Director Dr. Ngozi Ezike said that incubation times could be changing due to omicron, but those who test early should continue testing even if they get negative results.
According to earlier CDC guidance, COVID symptoms can appear anywhere from two to 14 days after someone is exposed to the virus.
Anyone exhibiting symptoms should get tested for COVID-19.
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Can Pneumonia Go Away On Its Own
Mild forms of walking pneumonia may go away on their own without the use of medication. According to doctors at the Cleveland Clinic, some mild respiratory bacterial infections often clear up by themselves after a few weeks. However, you need to see a doctor if your symptoms of pneumonia become severe.16
Usually, the symptoms of viral pneumonia are less severe and should clear up on their own. Dr. Carol DerSarkissian on WebMD says that no medication is usually prescribed to treat the symptoms of viral pneumonia and the infection has to run its course. With viral pneumonia, a person should stay at home for at least a few days to get plenty of rest and drink plenty of fluids.17
Is There A Vaccine For Pneumonia

There isnt a vaccine for all types of pneumonia, but 2 vaccines are available. These help prevent pneumonia caused by pneumococcal bacteria. The first is recommended for all children younger than 5 years of age. The second is recommended for anyone age 2 or older who is at increased risk for pneumonia. Getting the pneumonia vaccine is especially important if you:
- Are 65 years of age or older.
- Smoke.
- Have certain chronic conditions, such as asthma, lung disease, diabetes, heart disease, sickle cell disease, or cirrhosis.
- Have a weakened immune system because of HIV/AIDS, kidney failure, a damaged or removed spleen, a recent organ transplant, or receiving chemotherapy.
- Have cochlear implants .
The pneumococcal vaccines cant prevent all cases of pneumonia. But they can make it less likely that people who are at risk will experience the severe, and possibly life-threatening, complications of pneumonia.
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How Long Does It Take For Pneumonia To Go Away
The length of time that it takes for the symptoms of pneumonia to disappear depends on the type of lung infection you have and its severity.
Dr. Carol DerSarkissian says that you may not start feeling better for up to 3 weeks while recovering from pneumonia. However, some factors can also mean that it takes longer than usual to completely recover from pneumonia. Some of these factors can include:18
- Age and strength of immune system. If you are already ill or are a senior person, your symptoms of pneumonia can be more severe and take longer to go away. If you are elderly, you should see a doctor as soon as possible when you develop the first signs of pneumonia.
- Type of infectious pneumonia. Usually, bacterial pneumonia causes more severe symptoms and complications and takes longer to treat.
- Home care for pneumonia. Its important to get plenty of rest to allow your body to recover quicker from a lung infection. Making sure you avoid irritating your lungs and drinking plenty of fluids are good ways to make pneumonia go away quicker.
Vaccine Effectiveness & Omicron
Expert studies have shown that the risk of severe illness from Covid-19 is reduced by 90 percent or more among people who are fully vaccinated.
While there are breakthrough cases of Covid among people who are vaccinated, they are rare.
In the event of a breakthrough case, victims are highly unlikely to be hospitalized with severe or deadly symptoms from the virus.
Health officials have advised that the Omicron variant is more infectious and could lead to further breakthrough cases.
Yet the spread can be offset by all vaccinated Americans receiving a booster shot.
Current vaccines are expected to protect against severe illness, hospitalizations, and deaths due to infection with the Omicron variant.
With other variants, like Delta, vaccines have remained effective at preventing severe illness, hospitalizations, and death.
Studies have also shown that side effects from the vaccine are extremely rare.
CDC data shows that after seven days, the risk of transmission is drastically reduced.
“In that five-to-seven-day window, you know, there’s some depending on whether people have been vaccinated, underlying conditions, etc., but the risk drops a lot and the feeling is that in the general population, combined with masking, etc. the risk really is very low,” Arwady explained.
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What Are The Complications Of Pneumonia
Anyone can experience complications from pneumonia. However, people in high-risk groups are more likely to develop complications, including:
- Breathing difficulties: Pneumonia can make breathing difficult. Pneumonia plus an existing lung disorder can make breathing even more difficult. Breathing difficulties may require a hospital stay to receive oxygen therapy or breathing and healing assistance with the use of a breathing machine .
- Fluid buildup in the lungs : Pneumonia can cause a buildup in the fluid between the membranes that line the lungs and the inside of the chest cavity. It is a serious condition that makes breathing difficult. Pleural effusion can be treated by draining excess fluid with a catheter, chest tube or by surgery.
- Bacteria in the bloodstream : The bacteria that cause pneumonia can leave your lungs and enter your bloodstream, spreading the infection to other organs. This condition is treated with antibiotics.
- Lung abscess. A lung abscess is a pus-filled cavity in the lung that is caused by a bacterial infection. It can be treated by draining the pus with a long needle or removing it by surgery.
Treatment And Medication Options For Pneumonia
A lot of treatment aspects, as well as outcome, depend on the person, as well as the type of pneumonia they have, says Dr. Barron. Sometimes youll be fine just resting, but if you have things like trouble breathing, you should get to a doctor right away.
Your doctor will outline a plan that’s specific to you, considering the type of pneumonia you have, the severity of the condition, your age, and your overall health. From there, you’ll know whether you can be treated at home or need to go to the hospital, and whether you require antibiotics.
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What Is Pneumonia Symptoms Causes Diagnosis Treatment And Prevention
Pneumonia is a lower respiratory lung infection that causes inflammation in one or both lungs.
Air sacs in your lungs called alveoli can then fill up with fluid or pus, causing flu-like symptoms that can persist for weeks or cause rapid deterioration of breathing leading to hospitalization. Pneumonia doesn’t respond to over-the-counter cold and sinus medicines.
Pneumonia comes in different forms and is caused primarily by bacteria or viruses, which are contagious, and less commonly by fungi or parasites.
The type of germ contributes to how serious the illness can become and how its treated. The severity of an infection depends on many factors, including your age and overall health, as well as where you may have acquired the illness.
Is Pneumonia Contagious After Antibiotics
If you have bacterial pneumonia, your health care provider will likely prescribe antibiotics to treat the infection. In many cases, you are no longer considered contagious once you’ve been taking antibiotics for 2448 hours. However, this time period can vary based on the type of pneumonia you have, the antibiotic you’re taking and other factors.
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When Can I Return To Work School And Regular Activities If I Have Pneumonia
You typically can resume your normal activities if your symptoms are gone, mild or improving and you do not have new or worsening:
- Shortness of breath or tiredness
- Chest pain
- Mucus, fever or cough
If you are generally healthy, most people feel well enough to return to previous activities in about a week. However, it may take about a month to feel totally back to normal.