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X RAY AND METFORMIN

Discussion in 'Ask A Question' started by cjohnson, Aug 23, 2009.

  1. cjohnson

    cjohnson · Well-Known Member

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    Hi

    I read on a thread yesterday and also in the blurb with my metformin that you shouldn't have Xrays if you are taking metformin. I had an xray last Thursday and wasn't aware of this :( - does anyone know if this will cause a problem? They didn't ask if I was on any medication before having it.

    Thanks for your help

    Chris
     
  2. sugarless sue

    sugarless sue · Master

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    Chris, normal Xrays are not a problem.Which thread did you read this in ?
    It is only Xrays which use an iodine based dye that you have to stop Metformin and then only for a short time.

    from BNF.
     
  3. cjohnson

    cjohnson · Well-Known Member

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    Hi Sue

    Can't find the thread now it was either in expert or discussion bit and someone listed the side effects to metformin and it said about xray.

    I had mammogram so should be OK by the sounds of it. Unfortunately even in the blurb with tabs it just says xray doesn't mention the type which is a bit misleading.

    Thanks for the response.

    Chris :D
     
  4. Katharine

    Katharine · Well-Known Member

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    Yes, it is x rays were contrast dyes are used that are the problem eg an intravenous urogram or pyelogram for the kidneys.

    Plain x rays, ultrasounds and MRI scans are not affected.
     
  5. markd

    markd · Well-Known Member

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    Make sure not to get confused between a CT scan and an MRI scan - while MRI contrast agents may not present a problem with Metformin (but *always* ask, this is still a developing field) the agent used in CT scans is similar to those used in contrast-enhanced X-Rays (because a CT scanner uses X-Rays, unlike the magnetic and radiofrequency energy in an MRI scan).

    Mark.
     
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