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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]
“A productive cough is a cough that produces phlegm,” Dr. Youssef says. But a non-productive cough is more dry, says John M. Coleman III, M.D., a pulmonary and critical care specialist with ...
Along with a runny nose and sore throat, green phlegm is another cold-like symptom of COVID-19. Interestingly, the color of the mucus is an important indicator when it comes to infection.
[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 days. [2] The cough may persist for several weeks afterward with the total duration of symptoms usually around three weeks.
Control your cough. Coughing is a physiologic way to rid one of some of the congestion, says Amesh A. Adalja, M.D., senior scholar at the Johns Hopkins Center for Health Security. Controlled cough ...
The increased secretions are initially cleared by coughing. [36] The cough is often worse soon after awakening, and the sputum produced may have a yellow or green color and may be streaked with specks of blood. [42] In the early stages, a cough can maintain mucus clearance.