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What causes urea to be high?

Discussion in 'Cat Health and Nutrition' started by Tigerblue, Jun 16, 2017.

  1. Tigerblue

    Tigerblue PetForums Newbie

    Apr 10, 2017
    Likes Received:
    My old lady has had hyperthyroidism for over a year, and we've had to increase medication in May as it was no longer controlled. Due to this she's had two blood tests and results have some back with a urea of 13 (May 17) and 13.6 (June 17), I think the maximum in the normal range is around 9.9.

    Following the first result the vet said we would keep an eye on this as her SDMA was very slightly elevated but the second result has shown it's back within the the normal range. The vet said we'd keep an eye on it, but at the moment was ruling out early CKD which she originally thought was a possibility.

    Other than CKD, are there any other diseases/problems that would raise urea?
  2. Ceiling Kitty

    Ceiling Kitty Hides away from much through humour...

    Mar 7, 2010
    Likes Received:
    Very high protein diet.
    Gastrointestinal bleeding.

    Has she had any urine tests? The difficulty with these kitties is that uncontrolled hyperthyroidism can mask CKD. The most accurate blood results come when the hyperthyroidism is controlled, and always in conjunction with urine to assess the ability of the kidneys to concentrate urine effectively.
    chillminx and Paddypaws like this.
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