People who have smoked for at least 1 month and then quit smoking cold turkey will likely cough up mucus. If coughing persists for more than eight weeks or if coughing brings up sputum. Have you been coughing up black mucus after quitting smoking? This is one of the many symptoms that may be experienced by those who. I quit smoking pot just 2 weeks ago and still have it. Let's take a closer look. Well I'm not a doctor, but I do know that after you quit smoking you occasionally cough up phlegm for anywhere up to a year after you quit. The gunk is clear and not colored in any fashion. What can you do about the side effects of stopping smoking, how long will side. Coughing up mucus after you quit smoking is. I went through the coughing up mucus and feeling down, sleepless nights, strange and vivid. Since the end of this past April I have been coughing up black in my flem every day even now thurday.
