A member asked:

For the past 3-4 days i find a few dark grey or black streaks when i blow my nose. it doesn't happen always, but usually once a day. i am congested. ?

A doctor has provided 1 answer

Possible : The colors of your snot only shows what you have been breathing in. If you're blowing your nose very often it may be that you have seasonal allergies. If you have a fever of 100.4 degrees F or higher then you may have an infection and might want to see a doctor.

Answered 5/28/2016

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