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.

Sep 20, 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 …

Sputum is mucus that is coughed up from the lower airways (the trachea and bronchi). In medicine, sputum samples are usually used for a naked-eye examination, microbiological investigation of …

Jan 25, 2026 · Sputum is a mixture of saliva and mucus coughed up from the respiratory tract, typically as a result of infection or chronic conditions like bronchitis, pneumonia, or tuberculosis. It …

Aug 22, 2025 · Sputum is a mix of cells, foreign matter, and white blood cells produced in the respiratory tract. An increased amount of sputum is often due to increased respiratory inflammation …

Oct 21, 2025 · Bloody, brown, white, yellow, or green phlegm may be a sign of an underlying condition or infection. You can use a humidifier to help keep your throat and nose moist, which lowers mucus …

5 days ago · 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 …

This guide aims to answer questions about sputum including when and how to take a sputum test and what to do with the results. This topic can create anxiety, especially if you have been recently …

Sputum is not saliva but the thick mucus (sometimes called phlegm) which is coughed up from the lungs. The body produces mucus to keep the thin, delicate tissues of the respiratory tract moist so …

Apr 12, 2023 · Sputum is a mucus layer that serves a protective lining. The mucus layer found in the respiratory tract prevents the area from drying out and becoming irritated. It acts as a protective …