Phlegm is the thick, sticky mucus secreted by the surface of the respiratory tract during a cold or other respiratory infection. The respiratory tract includes the nose and sinuses, throat, voice box, bronchi, and lungs. Phlegm is mucus that may contain bacteria, viruses, respiratory surface cells, and inflammatory cells.
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Green Or Yellow Phlegm Green or yellow phlegm is usually an indication that your body is fighting a disease. Medical conditions like bronchitis, pneumonia, sinusitis, and cystic fibrosis may result in green or yellow phlegm. But you must also look for other symptoms to identify which one of these you are actually suffering from. The color of sputum or phlegm, which is the mucus and sometimes pus discharge expectorated from the respiratory tract, is often an indication of the type of respiratory disease that gives rise to sputum production. By examining the type of sputum and noting the color as well as the presenting signs and symptoms, a differential diagnosis may be.
Green Phlegm
The phlegm can be a sign of infections like bronchitis, pneumonia, cold or flu, chronic sinus problems, asthma and even lung cancer in certain situations. Different types of infections produce different colored phlegm. The color of sputum could help in identifying the nature of an infection. The colour of your spit or phlegm may change from frothy and white to slightly yellow or green if you have a chest infection. Breathlessness occurs on most. What the Color of Your Snot Really Means. Nasal mucus alone isn’t typically used to diagnose disease, but it can be a helpful tool to determine what’s happening in your nasal passages.