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.

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Mucus And The Meaning Of Different Colours

Phlegm Color Meaning: the Ultimate Guide, Cough Coloured Phlegms Read

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Nasal snot reveals if you have health problems

What to Know About Mucus

What Does the Color of My Phlegm Mean?

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

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Phlegm Color Chart: What the Color of Your Phlegm Means