Mucus: Phlegm, Causes, Colors How To Get Rid Of It Mucus Mucus is a clear, slippery, gel-like substance that’s part of your immune system It lines your mucous membranes and helps trap and destroy or clear out germs and harmful particles Mucus gets thick and sticky and might be white, yellow or green when you have an infection It’s also called phlegm, snot or sputum
Coughing up clear, bubbly phlegm: What does it mean? Coughing up clear, bubbly phlegm may be nothing to worry about However, in some cases, it can signify an underlying health issue, such as fluid in the lungs
Coughing Up Mucus: Causes and Treatment Options It's important to keep your airways clear and coughing up mucus is one way the body responds to respiratory congestion Coughing up mucus helps you clear infections and get rid of irritants and allergens from your body