Medically reviewed by Susan Russell, MD Key Takeaways 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 ...

Drinking plenty of fluids can help decrease the thickness of phlegm and make it easier to remove. Bloody, brown, white, yellow, or green phlegm may be a sign of an underlying condition or infection.

Mucus is a thin, slippery fluid that lines the nose, throat, and other passages to trap dust and germs. Phlegm is a thicker type of mucus produced in the lungs to catch and remove harmful particles ...