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Having green, yellow, or thickened phlegm (sputum) does not always indicate the presence of an infection. Also, if an infection is present, the color of the phlegm (sputum) does not determine whether a virus, a bacterium or another pathogen has caused it. Simple allergies can also cause changes in the color of the mucus. [1]
Mucus is actually the body's first line of defense against bacterial and viral infections. One of the proteins found in mucus — the antibody IgA — protects against pathogens in your nose and ...
Other signs your cold is improving include mucus color, energy levels and less severe symptoms. ... A cold is an infection caused by over 200 respiratory viruses, but the most common is a virus ...
Acute bronchitis, also known as a chest cold, is a short-term inflammation of the bronchi of the lungs. [4] [6] The most common symptom is a cough that may or may not produce sputum. [4] [19] Other symptoms may include coughing up mucus, wheezing, shortness of breath, fever, and chest discomfort. [6] Fever when present is mild. [20]
In general, nasal mucus is clear and thin, serving to filter air during inhalation. During times of infection, mucus can change color to yellow or green either as a result of trapped bacteria [24] or due to the body's reaction to viral infection. For example, Staphylococcus aureus infection may turn the mucus yellow. [25]
Acute bronchitis, also known as a chest cold, is short-term bronchitis – inflammation of the bronchi (large and medium-sized airways) of the lungs. [2] [1] The most common symptom is a cough. [1] Other symptoms include coughing up mucus, wheezing, shortness of breath, fever, and chest discomfort. [2] The infection may last from a few to ten ...
We spoke to medical experts on the causes, symptoms, and treatments of phlegm. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach ...
The color of your mucus can reveal some surprising things about your health. Here's what your mucus color means, according to experts.