Chronic cough can be a health condition that can persist for 8 weeks, and sometimes longer than this, in adults. Children may experience it for nearly 4 weeks. The condition can be worse than usual. Therefore, you may be unable to properly breathe or even sleep for a continuous period. As per the immunologist, Kanury Rao, chronic cough can be bothersome to individuals. Knowing its symptoms can help you ascertain the problem. Further, by understanding its causes, getting over it can be less challenging.