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But a chronic cough is a cough that usually lasts longer than eight weeks, Dr. Banerjee says. These are some of the major causes of an acute cough, according to doctors: Allergens like pet dander ...
December 27, 2024 at 3:12 AM ... By loosening up the mucus, expectorants make your cough more productive—making it easier for you to cough up mucus effectively and clear your chest congestion.
“Sometimes people who have really significant chronic lung disease can cough up a brownish phlegm,” says Parsons. “Really dark brown, tenacious phlegm is seen in patients who have cystic ...
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]
Phlegm is a thick secretion in the airway during disease and inflammation. Phlegm usually contains mucus with virus, bacteria, other debris, and sloughed-off inflammatory cells. Once phlegm has been expectorated by a cough, it becomes sputum. [2]
Whereas phlegm is specifically a thick, sticky, stringy mucus secreted by the mucous membrane. It would seem phlegm is just one form of sputum. I followed the link on this page to the article on "Sputum." The phlegm article states that sputum is phlegm that has been expectorated, and also that mucus and phlegm are not the same thing.
A cough that shows up after COVID typically goes away within four weeks, says Dr. Leykum. And it can last as long as six months after the infection, according to the American Lung Association .
The clinical presentation of plastic bronchitis beyond expectoration of casts includes a productive cough, dyspnea, fever and wheezing. Focal wheezing is a characteristic, if not specific, physical examination finding. If the casts completely obstruct the airway, breath sounds will be decreased and dullness will be present with percussion.
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