For the past 2 days, I sometimes have small hair-like strands in my phlegm/ black dots. I also have an inflamed uvula and throat. I never smoked and otherwise I am generally
New quartz - is this a stain?
What does the colour of your mucus mean and what does it say about your health? - YP | South China Morning Post
coughing brown spots in clear mucus? : r/medical_advice
What does the color of phlegm mean? | Ohio State Medical Center
A retrospective cohort study of the diagnostic value of different subtypes of atypical pigment network on dermoscopy - ScienceDirect
Coughing up Brown Mucus | Causes for Different Phlegm Colors | Buoy