Bronchitis

Bronchitis is inflammation of the bronchi caused by irritation. It may also refer to acute bronchitis or chronic bronchitis. Bronchitis is an obstructive pulmonary disease. It can be caused by infection or other causes such as smoking, or being exposed to cigarettes.

Bronchitis
Classification and external resources
Figure A shows the location of the lungs and bronchial tubes in the body. Figure B is an enlarged, detailed view of a normal bronchial tube. Figure C is an enlarged, detailed view of a bronchial tube with bronchitis. The tube is inflamed and contains more mucus than usual.
ICD-10	J20.-J21., J42.
ICD-9	466, 491, 490
DiseasesDB	29135
MedlinePlus	001087
eMedicine	article/807035 article/297108
MeSH	D001991

Symptoms

• Cough
• Production of mucus (sputum), which can be clear, white, yellowish-gray or green in color — rarely, it may be streaked with blood

Other websites

• NIH entry on Bronchitis
• MedlinePlus entries on Acute bronchitis and Chronic bronchitis
• Mayo Clinic factsheet on bronchitis