Phlegm is a thick secretion in the airway during disease and inflammation. Phlegm usually contains mucus with virus, bacteria, other debris, and sloughed-off inflammatory cells.

Sep 18, 2024 · 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 …

Oct 21, 2025 · Phlegm contains mucus that traps harmful particles in your respiratory system. You can drink fluids and use a humidifier to help get rid of phlegm in your throat and chest.

Jan 3, 2026 · What can this phlegm – also called mucus, snot, sputum, catarrh and booger – really tell us about our health? Here’s what to look for, and when to see a doctor.

Oct 7, 2025 · Learn what phlegm colors can suggest an infection, allergies, or pollution exposure, and when medical attention is needed.

3 days ago · Phlegm is a specific type of mucus produced by the lower respiratory tract, notably the lungs and bronchi, typically in response to irritation or infection. Unlike the thin, clear mucus from the …

Apr 25, 2025 · In the lungs, mucus plays a key role in protecting your lungs and airways from harmful irritants. Sputum and phlegm are other names sometimes used to refer to the mucus in your lungs …

May 14, 2025 · Explore the roles, causes, and management of phlegm, and understand its significance in respiratory health and recovery.

Jan 2, 2026 · Learn what mucus and phlegm mean, why their colour changes, and how to get rid of chest mucus. Understand common causes and when persistent mucus needs care.

Aug 23, 2024 · Sometimes, phlegm can become thick and bothersome. Learn about how to get rid of phlegm, both at home and at the doctor's office.