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A member asked:
Can spitting blood be a cause of autoimmune disease, aids, or cancer? just asking. thanks!
A doctor has provided 1 answer
Not enough info: Blood could be coming from mouth, throat, upper airway, lungs, stomach. Did you cough it up? Vomit it up? Or neither. There are lots of possibilities depending on source and amount. Many are benign.
Answered 9/25/2012
5.6k views
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