Dry coughs can be caused by post nasal drip, which means mucus dripping from the back of the nose into the throat causing irritation. Additionally, a dry cough can also be caused by smoking (smokers cough).. However, if you have a dry cough as part of a cold or infection, it can be contagious.
A dry cough is irritating and usually associated with a tickly throat.. Coughs associated with a cold or the flu tend to last a week or 2, most clearing up within .
In most of these situations, dry coughs occur because the back of your throat (or. A dry cough that lingers for more than three weeks may be the result of an .
Tickly coughs are dry coughs producing little or no mucus. Tickly coughs result from an irritation in the throat (pharynx) and the cough is triggered to relieve this .
Coughs lasting under three weeks are most commonly down to viral infections,. by irritation of the airways anywhere from your throat to the bottom of your lungs.. can cause dry, irritating cough in up to one in 10 men and one in five women.