Huff coughing, or huffing, is a breathing technique that helps move mucus out of the lungs. It can clear the lungs and help prevent infection in people with conditions such as chronic obstructive ...

Drinking warm fluids like tea can help loosen thickened mucus in the lungs. Inhaling moist air using a humidifier or steam can make it easier to cough up and remove lung mucus. Controlled coughing ...