Sputum that is a different color from saliva may be a sign of a lower respiratory tract infection (RTI), which affects the lungs. Examples include bacterial or viral pneumonia and bronchitis.

If you see green or yellow phlegm, it’s usually a sign that your body is fighting an infection such as pneumonia. The color comes from white blood cells . At first, you may notice yellow phlegm ...

Medically reviewed by Anju Goel, MD Pneumonia symptoms can seem as mild as the flu, but they vary based on the cause and severity of the lung infection. Knowing the various signs and symptoms of ...

That's right, the color and consistency of your nasal discharge or what you cough up can shed some light on your body's immune system's responses. Here, doctors break down the meaning of your mucus ...

Takeaways. Some signs of pneumonia, an infection in your lungs, include a high fever, coughing up colored mucus, feeling very tired, and having trouble breathing.Bacteria, viruses, fungi, and ...

Bacterial Pneumonia. A dry cough that brings up thick phlegm is one of the main symptoms of pneumonia.The mucus might be yellow, green, red, brown, or rust-colored. Sometimes the color can be a ...

The color of this mucus can highlight the type of infection and other lung health problems. However, bronchitis is one of many conditions that can lead to excess phlegm, and while phlegm’s color ...

But mucus changes color, depending on the individual’s environment, ... Brown: This may be a sign of a more severe infection like bronchitis or pneumonia.

This may be a sign of a serious infection, such as bronchitis, pneumonia, or cancer. Phlegm is a type of mucus produced by the lungs and respiratory system. It's a sign of inflammation and irritation.

This results in increased mucus secretion and may cause breathlessness as well.” In contrast, pneumonia is a lung infection where the air sacs (alveoli) become inflamed and fill with fluid or pus.

Causes can include having a lung infection such as pneumonia or ... Dr Critchton and her colleagues recorded the sputum color in 13,484 out of 19,324 patients who regularly coughed up ...