 [ Symptoms ] is it normal to cough up green phlegm after pneumonia cured  i was treated for pneumonia antibiotics in january it is march and i am still periodically coughing up dark yellow to green phlegm is this normal [ Disease ] green phlegm can be a sign of stagnation it sounds like your lungs have some pooling in there that is growing stagnant and needs to come up try an expectorant like guaifenesin mucinex and some hot steamy showers and if those do not help talk to your doctor again