Bronchitis causes: Difference between revisions

	Bronchitis Main page
Patient Information
Overview
Causes
Classification Acute bronchitis Chronic bronchitis
Differential Diagnosis

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Revision as of 15:59, 28 February 2012

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Acute bronchitis is a self-limited inflammation of the large airways of the lung that is characterized by cough with or without sputum. It is one of the commonest causes of outpatient admission worldwide. Virus are thought to be the commonest cause of acute bronchitis. Influenza A and B, parainfluenza, respiratory synctial virus, corona virus are the commonest involved pathogens. Some atypical bacterias like mycoplasma, chlamydiae and bordetella pertusis are also found to cause acute bronchitis.

Causes

Acute Bronchitis

The cause of acute bronchitis depend on several factors, for instance season of the year (winter and fall), vaccination level, age and immune status of the patient
Viruses are considered to be the commonest cause of acute bronchitis. The common virus involved are influenza A and B, parainfluenza, respiratory syncytial virus, coronavirus, adenovirus and rhinovirus.
Human metapneumovirus is also found to cause bronchitis.
Some atypical bacterias are also found toact as causative factors for bronchitis namely bordetella pertusis, Chlamydia pneumonia and mycoplasma pneumonia.

The following things can make bronchitis worse:

Air pollution
Allergens
Certain occupations (such as coal mining, textile manufacturing, or grain handling)

Chronic Bronchitis

Chronic bronchitis is a long-term condition. People have a cough that produces excessive mucus. To be diagnosed with chronic bronchitis, you must have a cough with mucus most days of the month for at least 3 months.

References

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 ==Overview==
-'''Bronchitis''' is an [[inflammation]] of the [[bronchus|bronchi]] (medium-size airways) in the [[lung]]s. ''[[Acute bronchitis]]'' is usually caused by [[virus]]es or [[bacteria]] and may present as cough with sputum that last several days or weeks (10 days). Other symptoms like shortness of breath, chest discomfort, and sore throat can also be found. '''Chronic bronchitis''' is not necessarily caused by infection and is generally part of a syndrome called [[chronic obstructive pulmonary disease]] (COPD); it is defined clinically as a persistent [[cough]] that produces [[sputum]] (phlegm) and mucus, for at least three months in two consecutive years. In late stages, the disease may present with blue discoloration of body ([[cyanosis]]) and difficulty in breathing ([[dyspnea]]).Bronchitis can be caused by different sources for instance, air pollutant, allergies and Infections with these agents like (Respiratory syncytial (sin-SIH-shull)virus (RSV), Adenovirus, Influenza, Parainfluenza
+Acute bronchitis is a self-limited inflammation of the large airways of the lung that is characterized by cough with or without sputum. It is one of the commonest causes of outpatient admission worldwide. Virus are thought to be the commonest cause of acute bronchitis. Influenza A and B, parainfluenza, respiratory synctial virus, corona virus are the commonest involved pathogens. Some atypical bacterias like mycoplasma, chlamydiae and bordetella pertusis are also found to cause acute bronchitis.
 ==Causes==