I have a different answer.
IN any , that means, ANY increase in serum creatine, there is potentially chronic renal failure.
"dehydration" does not cause a high creatinine of the serum in those with healthy kidneys.
If you are within the normal range, no problem.
Over the normal range...see internist or nephrologist...period. If you are over the upper limit of normal, or at the upper limit, this can represent extensive renal damage. Also look at your GFR.
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