2024年1月22日 · Mucus in the airways, known as phlegm or sputum, helps remove dust and debris and keep the lungs clear. Sometimes, problems arise that can change the thickness, amount, or color of mucus.

2024年9月20日 · 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 infection. It’s also called phlegm, snot or sputum. Mucus is usually thin and clear.

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 respiratory infections and cytological investigations of respiratory systems.

Phlegm is a specific type of mucus that originates in your lungs and throat. It’s slightly thicker than the mucus that’s produced in your nose and sinuses. Another name for phlegm is sputum.

2024年8月2日 · 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 produces it as part of its natural defense against irritants and infections.

2025年2月14日 · 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 clear, yellow, green, or tinged with blood, and its analysis helps diagnose various respiratory diseases.

A sputum culture, or sputum test, is a test that detects bacteria, fungi or other germs in your lungs or airways. Healthcare providers often use sputum cultures to diagnose respiratory infections and diseases such as pneumonia and tuberculosis.

2023年8月1日 · The quantity, texture, and color of sputum can help to diagnose lung cancer and other medical conditions that affect sputum production. This article explains what sputum is and what it looks like. It also discusses what different colors of sputum might indicate.

2021年7月14日 · Mucus in the lungs is known as phlegm or sputum. It is a common symptom in chronic lung diseases such as COPD (including chronic bronchitis and emphysema), cystic fibrosis, bronchiectasis, NTM lung disease or asthma.

2024年9月9日 · Phlegm, or sputum, is a type of mucus the respiratory tract produces. The color of phlegm can help identify certain health issues, such as infections or problems affecting the lungs.