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A member asked:

Can inflammed sinuses cause minor blood in sputnum and not in nose when blowing?

A doctor has provided 1 answer

Yes: The nasal mucosa (skin inside the nostrils) has many, many blood vessels that are prone to breaking from trauma or inflammation. A sinus infection, allergies, or even dry air can cause minor bleeding. For anything persistent or heavier flow, see your doctor.

Dr Ali and 2 doctors agreed

Answered 9/22/2018

5.7k views

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People also searched for:

Is it possible to have sinunitis and wake up with light blood in your mouth? I don't blow out any blood thru my nose but sinuses are inflammed
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