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 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 …

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 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 14, 2025 · Sputum is phlegm that is coughed up from the lower airways—the trachea, bronchi, and lungs. While phlegm refers to the substance itself, sputum refers to the …

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 …

1 day ago · Phlegm or sputum is mucus, a sticky substance that comes from your respiratory tract. It often comes out when you cough or expectorate and it often indicates that you may …

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 …

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 …

What is coughing up phlegm? Coughing up phlegm is a symptom of infections like the flu and common cold. Phlegm is a specific type of mucus that originates in your lungs and throat. It’s …