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 …

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 tuberculosis. It can be …

Aug 2, 2024 · For example, yellow or green phlegm can be a sign of a respiratory infection, while red or pink phlegm can indicate lung bleeding or inflammation. Phlegm is typically clear and thin. Your body …

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 and is the …

May 4, 2025 · Specifically, sputum is a mixture of saliva and mucus that is coughed up from the respiratory tract, often following an infection or irritation of the mucosa. Phlegm is derived from the …