Can you inject your own blood into someone in order to save their life?

Answer 1

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risky, because IF the two blood types AREN'T compatible, that blood could kill them .........

Answer 2

Yes that’s called a blood infusion but you have to be compatible blood types otherwise it will be counterproductive 

Answer 3

It is called a "transfusion" but should only be done by qualified medical personnel.

Answer 4

Yes, if your blood-type is universal "O", but not another type which could kill the other person.

harrald

Answer 5

Depends.

If you are the same blood type or are O negative then yeah sure if they are low in blood.  If you are not the same blood type or compatible then you may actually kill them.

Answer 6

No. Unless the blood is typed & cross-matched, you'd likely kill that person. And one "injection" of blood wouldn't help anybody.

Answer 7

You can, that's what a blood transfusion is.  However, you need to make absolutely sure your blood types match or you'll more than likely kill them.