Sometimes, phlegm appears even when you feel generally well. Changes in mucus amount, thickness or color may be a sign of infection or another health condition. Learn more about mucus — the gel-like substance that lines many parts of your body — and why it’s an important part of your immune defenses. Learn more about mucus — the gel-like substance that lines many parts of your body — and why it’s an important part of your immune defenses. 5 days ago · Why Am I Coughing Up Phlegm Without Feeling Sick? Coughing up phlegm usually signals that your body is clearing mucus from your respiratory tract. Understanding why t Sep 18, 2024 · It lines your mucous membranes and helps trap and destroy or clear out germs and harmful particles. Unlike the thin, clear mucus from the nose, phlegm is thicker and stickier because it often contains trapped pathogens, inflammatory cells, and debris. 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. Oct 21, 2025 · Phlegm contains mucus that traps harmful particles in your respiratory system. . It’s also called phlegm, snot or sputum. You can drink fluids and use a humidifier to help get rid of phlegm in your throat and chest. Oct 7, 2025 · Learn what phlegm colors can suggest an infection, allergies, or pollution exposure, and when medical attention is needed. Aug 23, 2024 · Sometimes, phlegm can become thick and bothersome. Phlegm is more related to disease than mucus, and can be troublesome for the individual to excrete from the body. 4 days ago · In the lungs, mucus plays a key role in protecting your lungs and airways from harmful irritants. Mucus is usually thin and clear. Understanding why t 4 days ago · In the lungs, mucus plays a key role in protecting your lungs and airways from harmful irritants. May 14, 2025 · Explore the roles, causes, and management of phlegm, and understand its significance in respiratory health and recovery. We spoke to medical experts on the causes, symptoms, and treatments of phlegm. While this often happens during a cold or infection, it’s not always linked to being sick. 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. Jan 9, 2026 · Discover the biological reasons for excess throat phlegm, effective home relief methods, and critical warning signs. Sputum and phlegm are other names sometimes used to refer to the mucus in your lungs and airways. Jan 9, 2026 · 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. Mucus gets thick and sticky and might be white, yellow or green when you have an infection. Learn about how to get rid of phlegm, both at home and at the doctor's office. Jun 28, 2023 · Phlegm can lead to congestion, coughing, and breathing problems.

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