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 Does the Color of Your Snot Say About Your Health?

Phlegm Color: Green, Yellow, and Brown

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What Does Your Sinus Infection Mucus Color Mean?

Phlegm Cheat Sheet: Recognizing Normal and Concerning Colors and Consistencies

Coughing Up White Mucus: Causes and Treatments

What does the colour of your snot mean?

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

Color of Phlegm: What could it mean?

Coughing up Brown Mucus, Causes for Different Phlegm Colors

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