What causes you to feel sick after a blood test, because I have had a lot of them and always I have felt competely fine intill today, when I had a blood test and then nearly threw up could it have any thing to do with my low iron levels my last blood test showed. Also my older sister has crohns.
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What Causes One To Feel Sick After A Blood Test?
By doing blood test only will not cause you sick. It is your psychological thinking. it has nothing to do with the disease with your older sister.