Blood: Sputum/phlegm can sometimes be blood streaked (red spots); if the bleeding has been there for some time the blood will become dark brown/black. Some infections can change the color of the sputum as well.
Answered 12/28/2013
5.2k views
Sputum: A common cold, nose bleed, dry mucosa with capillary bleeding, cancer, stomach- lung- throat issue, etc ....
Answered 1/25/2013
5.3k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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