Blood in phlegm is usually the result of prolonged coughing or dried airway, particularly when it is noted in young, healthy people.
What is it: Green phlegm is a symptom that can occur with bacterial respiratory infections, like sinustis, pneumonia or bronchitis, or COVID-19.
Yellow phlegm is typically a sign of a bacterial respiratory infection, like bronchitis, strep throat or pneumonia.
White phlegm is generally a sign of respiratory infections or inflammation (like bronchitis or sinusitis ) and lung diseases (like COPD).
Updated in 04-08-2024
Updated in 02-27-2024
Updated in 10-18-2023
Updated in 09-27-2023
Updated in 01-18-2023
Updated in 10-11-2022
Updated in 12-16-2021