City Councilâs Vision Statement describes what their ideal state for citizens, businesses, students and tourists will be in the future. The City of Columbia will be hosting the Mayorâs Bike and Walk Summit on Thursday, May 4th and Friday, May 5th.
There are many causes of a nonproductive cough, such as: 1  Viral illnesses. 2  Bronchospasm. 3  Allergies. Medicines called ACE inhibitors that are used to control high blood pressure.  Exposure to dust, fumes, and chemicals in the work 1  environment. Asthma.  Blockage of the airway by an inhaled object, such as food or a pill.
Causes. A viral infection in the respiratory tract---such as the common cold or bronchitis---often causes a cough. Coughing can also be sparked by asthma, allergies, whooping cough and other conditions. Dry air can make a cough even worse, says SeattleChildrens.org.