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Naples, FL
A 29-year-old female asked:

Is dark yellow/green snot always a sign of infection? could it also happen with allergies? what else could it mean?

1 doctor answer2 doctors weighed in
Dr. Kristin Sokol
Allergy and Immunology 12 years experience
Infection or allergy: Dark yellow or green mucus draining from nose could be due to an infection ( viruses and bacteria can cause this). Allergies can also cause this.

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Last updated Jun 25, 2017

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