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Doctor insights on: How Long Is Bronchitis Contagious

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How long is bronchitis contagious after starting antibiotics?

How long is bronchitis contagious after starting antibiotics?

Bronchitis: This condition is very rarely bacterial. It is overwhelmingly of viral etiology or due to inhalation of toxic materials. When acute bronchitis is bacterial it is usually due to bordetella pertussis (whooping cough). Without knowing what you have, impossible to predict communicability, but antibiotics not likely to be effective. If this is chronic bronchitis, different subject.

Dr. Sue Ferranti
1,202 Doctors shared insights

Bronchitis (Definition)

An inflammation of the mucous membranes of the bronchi. May be caused by either viral or bacterial infections, and is treated with antibiotics, steroids, inhaled bronchodilators, or mucolytics. Bronchitis can ...Read more


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How long is acute bronchitis contagious for?

How long is acute bronchitis contagious for?

It is not contagious: Acute bronchitis is a reaction to a viral respiratory infection (vri) by suseptible indiviuals, leading to frequent cough, increased mucus production, chest tightness, wheezing. Less than 20% of the population over react to the irritation of a vri with symptoms noted previously. The underlying vri is contagious for 24 hr before the onset of symptoms and for about 5 days after the symptoms begin.

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When and for how long is viral bronchitis contagious?

When and for how long is viral bronchitis contagious?

Difficult to answer: There are many different viruses that can cause bronchitis, all with different incubation periods and different time frames for viral shedding. But, if you have active symptoms like fever, nasal congestion, sore throat, etc., you are likely contagious. The associated cough can last longer than the viral infection so if all the other symptoms are gone, you are possibly no longer contagious.

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How long is acute bronchitis contagious? I'm over most symptoms except some fatigue and coughing up mucus and blood in the AM. Approx. Day 9

How long is acute bronchitis contagious? I'm over most symptoms except some fatigue and coughing up mucus and blood in the AM. Approx. Day 9

24 hours no fever: In general, to help avoid the spread of illness it is advisable to avoid close contact with others during the febrile phase until fever free (without medicine) for 24 hours. Now, know that viruses can be transmitted by secretions so STILL be sure to cover mouth when coughing and wash hands often!

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My wife passed cold to me, it progressed. Now me and my 2 year old son have bronchitis type of cough all day long. Is bronchitis contagious?

My wife passed cold to me, it progressed. Now me and my 2 year old son have bronchitis type of cough all day long. Is bronchitis contagious?

Virus is contagious: The virus is contagious, what each individuals symptoms may be can vary. The same virus can cause only upper respiratory symptoms in one person, bronchitis in another, ear infection in another

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How long is someone contagious for when they have the common cold, flu, or bacterial / viral bronchitis?

How long is someone contagious for when they have the common cold, flu, or bacterial / viral bronchitis?

Contagious periods: The contagious period differs for each type of infection, even among different viruses! There is a range of values based on different infections ranging from common cold to influenza. These vary from 24 hours to up to 2 weeks! You should ask your physician what infection you have and for how long you will be contagious. Common sense dictates that respiratory viruses travel by cough or sneeze.

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Hi my daughter just came home from the doctor and she has bronchitis. They gave her zithro how long will she be contagious we were going to go visit my mom tomorrow and my mom has copd also I need to go stay with my mom on monday for a few days bc on work

Hi my daughter just came home from the doctor and she has bronchitis. They gave her zithro how long will she be contagious we were going to go visit my mom tomorrow and my mom has copd also I need to go stay with my mom on monday for a few days bc on work

Assume yes: Even though she was started on antibiotics it is still quite possible that she has a viral infection. If she is coughing, and especially if she has a fever, it is much safer to assume she is contagious and keep her away from people with chronic illnesses that affect the immune system. I would not put her in close contact with your mom if it can be avoided.

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Is my acute bronchitis contageous? For how long?

Is my acute bronchitis contageous? For how long?

What is the cause?: If its caused by a virus or bacteria.You are contagious until you are under treatment for a bacterial infection. For a viral illness you may be contagious for four to seven days. Acute bronchitis caused by allergy (asthma) doesn't not carry an allergic component.

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Is bronchitis contagious?

Is bronchitis contagious?

Yes: Inflammation of the bronchial tubes caused by either viruses or bacteria is contagious.

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Is bronchitis contagious?

Bronchitis: Bronchitis is defined as an inflammation of the bronchial tubes of the respiratory infection. Cough is the predominant symptom. Usually this is self-limiting and will heal completely on its own. Most infections are viral although bacterial infections can cause bronchitis as well. Contrary to popular belief antibiotics are not always necessary. It is just as contagious as any viral infection.

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Is bronchitis contagious?

Can be: If it is an infectious bronchitis depending on what the infectious etiology is the bug can be passed on to others through coughing. It can also be passed on through contact which highlights the importance of frequent hand washing. A mask is recommended if concern is present.

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The bronchitis is contagious?

Can be...: Acute bronchitis is caused by either bacteria or viruses and these organisms can be aerosolized w/coughing/sneezing or spread via hand contact (ex. Infected person touches their nose and you shake their hand shortly afterwards!) chronic bronchitis is not contagious as it is a form of COPD and results from airway inflammation due to smoking (usually).

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Is pneumonia or bronchitis contagious?

Is pneumonia or bronchitis contagious?

Yes: Both, usually they come from viruses ; bacterias that came from inhalation from a person who coughed before or close by.

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Is acute bronchitis contagious?

Yes: Acute bronchitis is currently considered to be caused mostly by viruses, which are quite contagious. It can be transmitted in the air, by coughing, and by contact with the sick person's hands (if the hands have been coughed on or touched the mouth). The most contagious period is usually early in the illness, and shortly before the illness begins to show symptoms.

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Can chronic bronchitis be contagious?

Can chronic bronchitis be contagious?

No...: Chronic bronchitis is a form of copd. It is usually a result of smoking. There is no infection present in chronic bronchitis. Smoking cessation is important for prevention.

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Until when is acute bronchitis contagious?

Until when is acute bronchitis contagious?

Depends....: There are many different bacteria and viruses that can cause acute bronchitis, each with a different incubation period and shedding time. So, the amount of time a person is contagious depends on which organism is causing the infection.

Contagious (Definition)

One is able to transmit an infection to another by ...Read more