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what causes bronchitis

A 45-year-old member asked:
Dr. Luis Villaplana
34 years experience in Internal Medicine
Inflammation: Whether infectious or environmental factors, bronchitis is caused by acute inflammation of the airways that deliver air to your lungs.
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A 47-year-old member asked:
Dr. Heidi Fowler
24 years experience in Psychiatry
Black material: May be old, deoxygenated blood.
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A 40-year-old member asked:
Dr. Sue Ferranti
28 years experience in Internal Medicine
Causes...: Acute bronchitis is usually due to either a bacterial or viral infection. Chronic bronchitis, a form of copd, is usually due to smoking.
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A 37-year-old member asked:
Dr. Heidi Fowler
24 years experience in Psychiatry
A microbe: may be the cause.
A 47-year-old member asked:
Dr. Sue Ferranti
28 years experience in Internal Medicine
Smoking...: Chronic bronchitis is a form of COPD usually caused by smoking. Smoking cessation is an important part of disease prevention as well as treatment.
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A 46-year-old member asked:
Dr. Sue Ferranti
28 years experience in Internal Medicine
Infection...: Acute bronchitis is caused by an infection of the airways; usually bacterial or viral etiology.
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A 47-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience in Allergy and Immunology
Tobacco: Tobacco smoking by far is the most common cause in the absence of allergy or infection. Air pollution is also a strong suspect although the link is no ... Read More
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A 47-year-old female asked:
Dr. Matt Wachsman
35 years experience in Internal Medicine
50% of us: have asthma that does not make us go to the doctor on a given year. Mostly, I think this is mis-diagnosis of not asthma, but actually inflammation due ... Read More
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A 51-year-old member asked:
Dr. Ajay Acharya
36 years experience in Internal Medicine
Bacteria, viruses: Both virus and bacteria , sometimes fungus can affect medium size wind pipes and cause inflamatory swelling....Narrowing and wheezing.
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A 46-year-old member asked:
Dr. Sue Ferranti
28 years experience in Internal Medicine
Possibilities...: There are 2types of bronchitis: acute and chronic. Chronic bronchitis, a form of copd, is usually caused by smoking. Acute bronchitis is due to an inf ... Read More

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