A member asked:

Week ago i did blood draw and i felt pain from pinch down to my hand.after few days little bruise appeared.it still hurt when i straight arm. why?

A doctor has provided 1 answer

Likely harmless: What you describe is a "blown" vein. When your blood was drawn, the tech likely obtained the specimen then on withdrawal the vein ruptured which isn't as bad as it sounds. Veins often have associated nerves that travel with them. The bruising also makes this more likely. Apply heat a few times per day and it should go away.

Answered 11/28/2017

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