What are the symptoms of postviral cough and how long does it usually last? any good/effective remedies to make it go away faster?

Post viral cough: usually appears during an upper respiratory infection (a cold), and then drags on for weeks after other cold symptoms have resolved. There is no fever, no wheezing, no chest pain (or only slight burning with cough), and little or no mucous production. It is a cycle of cough-irritation-cough. The best treatment is cough suppressants so that the airway and throat can heal.