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Doctor insights on: Pneumonia Bronchitis Seasonal Flu

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How many days after flu onset would bacterial pneumonia begin?

How many days after flu onset would bacterial pneumonia begin?

At risk: Once the inner lining of the lung is infected, it is prone to a secondary infection. It may take weeks to recover from influenza, and a secondary pneumonia can occur at any time during that period. There is evidence that the risk for a pneumococcal pneumonia occurs even one week after influenza infection. An interesting link for more information: http://www.cidrap.umn.edu/news-perspective/2013/06 ...Read more

Dr. Sue Ferranti
1,163 doctors shared insights

Bronchitis (Definition)

Bronchitis is an inflammation of the mucous membranes of the bronchi (airways that carry air from the trachea to the more distal parts of the lungs, or bronchioles). Bronchitis may be caused by either viral or bacterial infections, and is treated with antibiotics , steroids, inhaled bronchodilators, or mucolytics. Bronchitis can be acute or chronic. The latter is usually associated with smoking and may be part of COPD. Both acute and chronic bronchitis can lead to other serious conditions, including pneumonia with ...Read more


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What are my chances of getting pneumonia or bronchitis from a seasonal flu?

What are my chances of getting pneumonia or bronchitis from a seasonal flu?

Risk factor...: Seasonal flu is a risk factor for getting bronchitis and pneumonia. Luckily, it is a relatively uncommon complication. Most people with seasonal flu do not develop these complications. ...Read more

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What's the probability of getting pneumonia or bronchitis from a seasonal flu ?

What's the probability of getting pneumonia or bronchitis from a seasonal flu ?

It's possible: Influenza itself can cause an inflammation of the lungs that shows up on xrays, which may be called "pneumonia". It can also injure the cells lining the airways, allowing for a stapylococcal (classically) or other bacteria to infect the lungs. These can be fairly severe processes and may require hospitalization or even ICU care. However this is fairly uncommon. ...Read more

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How to tell if I have bronchitis, flu or pneumonia?

How to tell if I have bronchitis, flu or pneumonia?

In general: Bronchitis is limited to the lungs and causes coughand typically , no fever. Pneumonia symptoms are similar to bronchitis but are usually a more severe cough , and can include fever, shortness of breath, fatigue, chest pain , and the diagnosis is made by a chest x-ray. Flu is a systemic illness and includes runny nose, cough, high fever, and body aches. It takes an experienced physician to put this togethe. ...Read more

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How can I tell if I have the common cold (with bronchitis), flu or pneumonia?

How can I tell if I have the common cold (with bronchitis), flu or pneumonia?

Not so easy: Pneumonia is an infection of the lung or lower respiratory tracts. A cold (usually caused by viruses) is an infection of the upper respiratory tract - flu also usually affects the upper tract but can start involving the lungs (serious). A patient should see a physician who can do lab tests and get an x-ray - doubly important to do so if a person is getting worse, dehydrated, or short of breath. ...Read more

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I have the flu and I am wondering what the chances of getting pneumonia or bronchitis because of the flu rare?

I have the flu and I am wondering what the chances of getting pneumonia or bronchitis because of the flu rare?

It's possible: Influenza itself can cause an inflammation of the lungs that shows up on xrays, which may be called "pneumonia". It can also injure the cells lining the airways, allowing for a stapylococcal (classically) or other bacteria to infect the lungs. These can be fairly severe processes and may require hospitalization or even ICU care. However this is fairly uncommon. ...Read more

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Could you potentially have pneumonia or bronchitis without a fever or having a cold/flu first?

Could you potentially have pneumonia or bronchitis without a fever or having a cold/flu first?

See below: What you are asking is whether the pneumonia can develop without earlier symptoms and the answer is yes it can suddenly happen. ...Read more

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Is it possible to have pneumonia or bronchitis without having fever or having a cold/flu first?

Is it possible to have pneumonia or bronchitis without having fever or having a cold/flu first?

Absolutely: You can have pneumonia or bronchitis, and the first symptoms you have are the symptoms of the pneumonia or bronchitis. Nothing else has to happen first. ...Read more

Dr. Heidi Fowler
1,882 doctors shared insights

Flu (Definition)

The flu, otherwise known as influenza, is a viral infection of the nose and throat. Symptoms of influenza include fever, chills, runny nose, muscle aches, fatigue, malaise, headaches, and coughing. Children with the flu often have nausea and vomiting as well. Some strains of the flu are preventable by getting a yearly flu ...Read more


Dr. Michael DePietro
2,165 doctors shared insights

Pneumonia (Definition)

Pneumonia is an inflammation of the lungs, most ...Read more