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). In medicine, sputum samples are usually used for a naked-eye examination, microbiological …

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 …

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.

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 …

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 …

May 14, 2025 · 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 …

Aug 2, 2024 · Producing clear phlegm often means your body is reacting to irritants or inflammation, while yellow or green phlegm may suggest an infection. Red, pink, brown, or …

May 30, 2025 · Sputum is a thick, sticky substance produced in the lungs and airways, often coughed up when respiratory issues arise. Understanding what is sputum, its types, and …

Sputum, also known as phlegm, is a thick type of mucus made in your lungs. If you have an infection or chronic illness affecting the lungs or airways, sputum can settle in your lungs, and …