Jul 31, 2024 · People who have bronchitis often cough up thickened mucus, which can be discolored. Bronchitis may start suddenly and be short term (acute) or start gradually and become long term (chronic). Acute bronchitis, which often develops from a cold or other respiratory infection, is very common.

Apr 25, 2023 · Black mucus is a dark-colored substance (also called "phlegm") that forms in your lungs and throat and is expelled from your nose and mouth. It is rare to have black mucus, and it may signal a serious underlying condition, such as tuberculosis or cancer.

Aug 8, 2024 · People who smoke often have brown sputum. It can also indicate a condition known as black lung disease that develops after ongoing exposure to coal dust. This may suggest a fluid buildup in the...

Jun 13, 2018 · Coughing Up Brown, Black, or Rusty Mucus: Bacterial Infections. Coughing up rust-colored sputum in the morning or at any other time of the day can be associated with bacterial infections in the lungs. Bronchitis. Brown mucus or phlegm can be symptomatic of bronchitis that has developed complications.

Aug 2, 2024 · Yellow or green phlegm is often a sign that your body is fighting off an infection. However, it can also be a symptom of several different conditions, including: Sinusitis: inflammation of the sinuses; Bronchitis: inflammation of the bronchi or the air passages that connect your windpipe to your lungs

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 infection. It’s also called phlegm, snot or sputum. Mucus is usually thin and clear.

Feb 10, 2023 · Having black or dark phlegm or mucus can be distressing. It can often signal a serious disease or exposure to unhealthy pollutants. The presence of mucus is not a sign of disease and shouldn’t...

Sep 8, 2022 · Bronchitis is when the airways leading to your lungs (trachea and bronchi) get inflamed and fill with mucus. It gives you a cough that lasts for two or more weeks.

May 21, 2024 · Infections such as the flu, acute bronchitis, and pneumonia can cause your airways to make extra mucus, which you’ll often cough up. It may be green or yellow in color. The coronavirus that...

Oct 8, 2024 · Acute bronchitis usually starts when you have inflammation in your airways due to a cold, COVID-19, or other respiratory infections. In fact, you might hear it called a chest cold. Its...