Hello there.
I can understand your concern.
Do you cough out blood or you just spit blood?
If you just spit blood then its probably from your mouth itself.
Go consult a MD consultant physician in person for further evaluation and management.
He will help you further.
Best regards.
Dr. Anil kumar jain.
Bangalore.
Answered2017-02-02 17:18:33
Let others know if this answer was helpful