Jun 26, 2026 · Learn what sputum is, why you cough it up, what different colors mean, and when it may signal a respiratory infection or lung problem.

Apr 15, 2026 · Learn the difference between mucus, phlegm, and sputum, including where they form and what they reveal about respiratory health.

Jan 22, 2024 · Sputum is a type of thick mucus produced by the lungs. This article explains the types of sputum, what causes changes, and when to speak with a doctor.

Sputum is mucus that is coughed up from the lower airways (the trachea and bronchi). It is commonly referred to as "phlegm". In medicine, sputum samples are usually used for a naked-eye examination, …

Sep 20, 2024 · 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.

Mar 22, 2026 · Phlegm color chart guide to what mucus colors may mean, when to watch symptoms at home, and when to call a doctor or seek urgent care.

May 5, 2026 · Sputum, or phlegm, is a type of mucus secreted by cells in the lower part of the lungs (bronchi and bronchioles). The quantity, texture, and color of sputum can aid in diagnosing various …

Sputum: a guide for people with lung conditions This is a guide about sputum (also known as mucus and phlegm) for people living with lung conditions. It is relevant for anyone who needs to do sputum …

Aug 4, 2023 · What is a sputum culture? A sputum culture is a medical test that looks for bacteria and other germs to help diagnose an infection in your lungs or airways (respiratory tract). Healthcare …

Nov 29, 2010 · Mucopurulent Mucoid, mucopurulent or purulent sputum is thicker and often more sticky than normal sputum. This is partly due to the greater mucus production coupled with pus in the …