<unk> ing is an important way to keep your throat and airways clear. However, too much<unk> ing may mean you have a disease or disorder.
Some<unk> s are dry. Others are considered productive. A productive<unk>  is one that brings up mucus. Mucus is also called phlegm or sputum.<unk> s can be either acute or chronic:
Acute<unk> s usually begin suddenly and are often due to a cold, flu, or sinus infection. They usually go away after 3 weeks.
Subacute<unk> s last 3 to 8 weeks.
Chronic<unk> s last longer than 3 weeks.
Cough
Sneeze
Choking
Drooling
Trench mouth
Breathe odor
Hypernea
Bronchospasm