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 ...

Mucus is your body’s natural defence, but too much of it can make breathing feel like you’re inhaling through a wet sponge. Your lungs produce mucus every day to trap dust, germs, and irritants.