Blood Disorders Forum - Giving Blood And Passing Out
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Giving Blood And Passing Out

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Jen101300

Experienced User , Rather EHEALTHy
Joined: 18 Jan 2004
Posts: 73
Location: Ohio
Giving Blood And Passing Out
Posted: 02-05-04 21:20pm

What causes you to pass out when giving blood and after giving blood.

Confused
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Jaydensmommy

Advanced Support Team
Joined: 28 Jan 2004
Posts: 1684
Location: Wisconsin

Posted: 02-08-04 23:46pm

Because your body is low on blood. It takes up to 2 hours to make that pint that you donated back. And when you are low on blood your body tends to pass out, although it dosen't happen to everyone. I am the one who always passes out just at the end of giving blood.

~sara~
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dallan

New User, Becoming EHEALTHy
Joined: 22 Mar 2008
Posts: 1
veins collapsed
Posted: 03-22-08 08:26am

when doctor was trying to establish a connection to administer morphine and a sedative, my veins kept collapsing. Why did this happen?
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