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[3] [13] About 5% of adults are affected and about 6% of children have at least one episode a year. [7] [8] It occurs more often in the winter. [7] In infants under one year of age, acute bronchitis was the most common reason for admission to the hospital after an emergency department visit in the US in 2011. [31]
The most common symptom of eosinophilic bronchitis is a chronic dry cough lasting more than 6–8 weeks. [3] Eosinophilic bronchitis is also defined by the increased number of eosinophils, a type of white blood cell, in the sputum compared to that of healthy people. [2]
[9] [10] Many people with chronic bronchitis also have chronic obstructive pulmonary disease (COPD). [11] Tobacco smoking is the most common cause, with a number of other factors such as air pollution and genetics playing a smaller role. [12] Treatments include quitting smoking, vaccinations, rehabilitation, and often inhaled bronchodilators ...
Dictyocaulus viviparus found in the bronchi of a calf during necropsy (arrow). Parasitic bronchitis, also known as hoose, husk, or verminous bronchitis, [1] is a disease of sheep, cattle, goats, [2] and swine caused by the presence of various species of parasite, commonly known as lungworms, [3] in the bronchial tubes or in the lungs.
Plastic bronchitis (PB) is a disorder in which branching casts of the airways -- i.e., accumulations of fluid or tissue that are molded in the shape of the airway -- are expectorated.
Bronchomalacia can best be described as a birth defect of the bronchus in the respiratory tract. Congenital malacia of the large airways is one of the few causes of irreversible airways obstruction in children, with symptoms varying from recurrent wheeze and recurrent lower airways infections to severe dyspnea and respiratory insufficiency.