A bruise may appear after a blood draw if small blood vessels are damaged when the needle is inserted or if not enough pressure is applied after the needle is removed. A blood draw (phlebotomy ...

This discomfort typically resolves quickly. You may also experience minor bruising or bleeding at the puncture site following ...

Could it be from an IV or blood draw? Dr Neal H Patel, an internist at Providence St. Joseph Hospital, speculated that the bruise might have been caused by an IV or blood draw. He explained that ...