how long cough lasts cure h
1 Acute coughs usually begin rapidly and are often due to a cold, flu, or sinus infection. They usually go away after 3 weeks. 2  Subacute coughs last 3 to 8 weeks.  Chronic coughs last longer than 3 weeks.
The average duration of cough, according to a recent study, is 18 days. If you think that seems like a long time, youâre not alone. A telephone survey by the same researchers found most people expected a cough to last seven to nine days.That dissonance between how long people expect cough to last and how long it really does sends a lot of people to the doctor.Cough is the most common patient complaint to primary-care physicians and accounts for more than 30 million doctorâs visits annually, according to the Centers for Disease Control and Prevention.hat dissonance between how long people expect cough to last and how long it really does sends a lot of people to the doctor. Cough is the most common patient complaint to primary-care physicians and accounts for more than 30 million doctorâs visits annually, according to the Centers for Disease Control and Prevention.