Probably not serious: Anything that causes increased mucus in the nose -- common cold, sinusitis, allergy, etc -- sometimes is associated with bleeding. If it's not large in amount and only lasts a few days, usually it's nothing to worry about. See a doctor there is lots of red blood or if smaller amounts don't clear up in a few days, or if you otherwise remain concerned.
Answered 5/23/2018
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2 doctors weighed in across 2 answers
A doctor has provided 1 answer
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