In anticipation of the ban, online kratom commerce has ground to a halt, with some merchants left with hundreds of thousands or millions of dollars' worth of unsold supply. Yet while advocates may see a glimmer of hope in the fact the ban hasn't taken effect, the DEA assures it still will.
Doctors in most cases, believe that coughing up green mucus means bacterial infection in the respiratory tract, the lungs or bronchi which may be tuberculosis, chronic bronchitis, bacterial pneumonia etc. Green cough can also happen due to post nasal drip due to a sinus infection.
Another reason for coughing up green phlegm and sputum, a combination of phlegm and spit, could be an indication of cystic fibrosis disease and should be discussed with your doctor. If you smoke you might see brown phlegm being coughed up in the morning as a response to irritation caused by cigarette smoke.