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Vascular Surgery

how to enlarge my veins



i have wnated to donate blood, and or plasma for some time, but nurses always tell me that i can not becasue i have small viens. is ther any way to enlager my viens? a vitamin of some sort? i am a non smoker, and i go to the gym regularly i dont understand. please give me any help you can. thank you.


Unfortunately there is no specific medication or exercise designed to enlarge one's veins. There is no particular medical problem or danger to having small veins - it is just how you are made. Just as some people are shorter than others, so do some people have smaller vessels than others. I would instead recommend focusing your efforts on maintaining a healthy lifestyle, exercising and continuing to refrain from smoking. 

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Response by:

Amy B Reed, MD Amy B Reed, MD
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