Understanding the different types of bronchitis can also be helpful in understanding when the illness is and isn't contagious. Chronic bronchitis caused by environmental irritants, for instance ...

Bronchitis is usually contagious for a day or two if it’s bacterial or up to one week or more if it’s related to a viral infection. You may also be contagious for a day or two before ...

Bronchitis is a respiratory illness that occurs when the airways leading into your lungs get irritated, Nagata explains, which leads to the swelling and mucus buildup that causes difficulty breathing.

COPD, which includes chronic bronchitis, is a leading cause of death. If you wait too long to treat it or continue to smoke with it, you may shorten your lifespan and reduce your quality of life.

Bronchitis is an infection of the airways in the lower respiratory tract that usually results from viruses similar to those that cause a cold. Sometimes, bacteria, fungi, or foreign substances are ...

Dec. 29, 2008 -- Question: If I'm taking antibiotics for bronchitis or pneumonia, how soon should I expect to feel better? Answer: Bronchitis and pneumonia are different things.