Uncomplicated acute bronchitis is a self-limiting infection of the trachea and bronchi that usually lasts for 1 to 3 weeks. A healthy patient experiences sudden onset of cough, with or without sputum production.
It is an inflammatory response to infections of the bronchial epithelium of the large airways of the lungs that begins with mucosal injury, epithelial cell damage and release of proinflammatory mediators.
There is transient airflow obstruction and bronchial hyperresponsiveness.
Purulence can result from either bacterial or viral infection.
A study finds no evidence that using pharmaceutical aids alone for smoking cessation helps improve the chances of successful quitting despite promising results in previous randomized trials and routine prescription of such drugs to help quit smoking.
Chronic obstructive pulmonary disease (COPD) is currently the 10th commonest cause of death in Singapore, with a disease burden of 5.9 percent according to a 2015 population-based survey (EPIC-Asia survey) in Singapore. Pearl Toh spoke with Dr Augustine Tee, chief and senior consultant of the Department of Respiratory and Critical Care Medicine at Changi General Hospital (CGH) in Singapore, on how COPD is often underdetected in the primary care population as symptoms are not specific and diagnosis requires a combination of clinical risk factors, symptoms and spirometry testing.