Coughing up thick, green mucus may mean a bacterial or, less often, viral infection, but that's not always true. You ...

Throwing up mucus can occur ... However, if it becomes thick or excessive, it can cause postnasal drip, which may feel like a lump in the throat and lead to coughing, sore throat, or frequent ...

But if the mucus is thick or a different color (green or yellow), it could be a ... lung cancer or infections are also associated with coughing up blood. Diagnosis and treatment When you see ...