See What Your Mucus Say about Your Health [If Your Mucus Is Yellow Or Green See Doctor Immediately]

If your mucus is yellow or green

You might have pneumonia, a sinus or throat infection, or another respiratory tract infection and your immune system is hard at work. “The green color comes from an overload of white blood cells fighting that infection,” says Dr. Iloreta. You’ll probably notice other symptoms, such as a cough or stuffy nose.

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