Learn why phlegm happens and discover gentler, everyday ways to remove it without resorting to loud “uncle coughs”.

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

The symptoms can include coughing up thick yellow, green, or brown phlegm. Seek medical attention if you think you have pneumonia and you are having difficulty breathing. Asthma is a long-term ...