A member asked:

I have a cold and a sinus infection, i found some black snot in my nose. should i worry? it could maybe be blood but that doesn't seem likely since blood is not black?

A doctor has provided 1 answer
Dr. Theodore Davantzis answered

Specializes in Dentistry

Dried blood could be black. So could dust and other particles filtered by your nose and trapped in the mucus. Don't worry.

Answered 8/5/2021

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