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Thread: can i eat before a blood test?

  1. #1
    Don'tMindMe
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    can i eat before a blood test?

    i'm getting a blood test next week and nothing was explained to me i think that it's to see if i have anemia or diabetes but i'm not shure what kind of tests they are, can i eat before and if i can't how long can i not eat before?

  2. #2
    dragon lady
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    You should definitely call and ask. It won't matter for the anemia, but if you're getting tested for diabetes they probably want it to be fasting. Check to make sure.

  3. #3
    alli
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    I've had instances where the Dr scheduled blood tests for me but didn't say anything about eating or not eating. Then I go to the get the blood tests at like 1pm & the phlebotomist says "you haven't eaten anything right?" Coincidentally I hadn't, really.

    I would say you are probably not supposed to eat. But call back and check!

  4. #4
    DN

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    Usually you are supposed to fast for 12 hours.

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    _Asti_
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    I would call the doctor's office or the lab you will be going to for the blood work.
    Each test is different and require different preparations, if any.

  6. #6
    Hope75
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    Quote Originally Posted by p3rf3ctsp3cim3n [Register to see the link]
    You're not supposed to eat at least 8 hours before your blood test, no matter what they're testing for.
    That's not true, it depends on the test. Call the lab and find out what their policies are.

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    doyathink
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    I didn't eat anything b4 I went in to be tested for diabetes, and the doc told me that I needed to come back after I ate something so he could see how my body used it...
    I would def call and ask them.

  8. #8
    doyathink
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    Quote Originally Posted by p3rf3ctsp3cim3n [Register to see the link]
    You're not supposed to eat at least 8 hours before your blood test, no matter what they're testing for.
    But you just wrote this
    Quote Originally Posted by p3rf3ctsp3cim3n [Register to see the link]
    diabetes = sugar levels, they can't know without your food intake...but most test require you not to eat, such as testing for infectious diseases and so forth.

    the point of not eating is not to have your blood obscured with what you just ate.



    Like most have said, call to be sure.
    Which contradicts this...
    Quote Originally Posted by Don'tMindMe [Register to see the link]
    i'm getting a blood test next week and nothing was explained to me i think that it's to see if i have anemia or diabetes but i'm not shure what kind of tests they are, can i eat before and if i can't how long can i not eat before?
    And she IS getting tested for diabetes.

  9. #9
    Don'tMindMe
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    Quote Originally Posted by p3rf3ctsp3cim3n [Register to see the link]
    But, honestly...not to knock on you OP...this question was better suited for your test lab then us...
    yeah i know, thought i might try here though, i went yesterday and i'm pretty shure they are running all the blood tests my mum is doing a nursing course and she said not to not eat depending on the test

  10. #10
    Alezia
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    There's tests where it doesn't matter. They will make you drink this really high-sugar drink (think a bad pop) and then test you exactly one hour after the drink.

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