Any abnormal changes to phlegm may indicate an issue. It may help to track and record when coughing up phlegm starts and how long it continues. If phlegm continues for more than a few weeks ...
You might hear the term "sputum" used — this is phlegm that you expel through coughing. If excess mucus is your only symptom, it’s not typically something to worry about. When you're sick ...
Phlegm can build up at the back of your throat when you lie down in bed and trigger coughing at night. “The most common cause of this is an upper respiratory tract infection such as colds or flu ...
Humidifiers add moisture to the air, which helps thin the mucus, making it easier to cough up or blow out. The moisture from a humidifier can soothe dry and irritated tissues in the nose and throat.