10 Signs of Bronchitis
Reviewed: Dr. Gromatzky
Bronchitis Sign #5: Sputum
Sputum refers to mucus or phlegm that is coughed up from the lower airways. Sputum samples can be used to help in the microbiological investigations of respiratory infections and more.
In bronchitis, the cough is usually a productive cough where the sputum is often yellowish, greenish, or even brownish in color. The sputum can also be blood tinged. Patients should seek medical attention if the sputum is blood tinged.
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