19/05/2023
Bronchitis is the inflammation of the bronchial tubes, which carry air from the trachea, or windpipe, into and through the lungs.
Acute bronchitis has distinct forms that vary, depending on the causes:
Viral bronchitis: Viral infections cause most casesTrusted Source of bronchitis. A person may develop a cough or trouble breathing after a virus, such as the common cold or flu.
Bacterial bronchitis: Bacterial infections can also cause bronchitis. A person may suddenly develop breathing difficulties or notice breathing problems following another illness.
Fungal infections occasionally cause bronchitis.
Other causes: Besides infection, exposure to substances that irritate the lungs, such as to***co smoke, dust, fumes, vapors, and air pollution can also cause bronchitis.
Chronic bronchitis causes ongoing inflammation of the airways. It is a type of chronic obstructive pulmonary disease (COPD).