Color of Phlegm: What could it mean?

Phlegm comes in many colors and can be an important indicator of what is happening when someone produces it from their lungs or respiratory tract. Learn here about the different types of phlegm.

What Yellow or Green Mucus Means for Your Health

What Color Is Your Phlegm (Mucus)?

What Does the Color of Your Snot Say About Your Health?

What are Mucus and Phlegm? Meaning of Snot Color

Pneumonia in adults - discharge Information

What does the color of phlegm mean?

Bronchitis - acute Information

Mayo Clinic Q and A: Nasal mucus color — what does it mean? - Mayo Clinic News Network

Snot Color Chart: Yellow, Green, Brown, and More

What Your Snot Says About You (Infographic)

What causes a yellow mucus discharge from your nose? - Quora

What Does the Color of Your Snot Say About Your Health?