When smoking, because tobacco contains a lot of harmful substances, in the process of combustion will release a lot of irritating gases, these gases will irritate the throat and trachea, it is easy to cause coughing symptoms, you need to quit smoking. If you don’t pay attention to it, it can easily cause chronic bronchitis and chronic pharyngitis over time, which are more troublesome to treat. If there is still a cough after quitting smoking, if it is more serious, you need to go to the hospital to do a checkup first, mainly to take a picture of the examination, but also need to do routine blood tests. If caused by bacterial infection, you can use amoxicillin, levofloxacin, roxithromycin and other antibacterial drugs to treat the cough, phlegm, you also need to use the snake gall Chuanbei liquid, hydrochloride aminobromine granules, acute branch syrup and other drugs.