1 doctor weighed in:

What does it mean when you cough up brown mucus?

1 doctor weighed in
Dr. John Chiu
Internal Medicine - Allergy & Immunology

In brief: Infection

Infection is most likely but both bacterial and viral infections can cause brown mucus.
If this has been persistent, see your doctor.

In brief: Infection

Infection is most likely but both bacterial and viral infections can cause brown mucus.
If this has been persistent, see your doctor.
Dr. John Chiu
Dr. John Chiu
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