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A member asked:
Bun 16.creatinine 1, 41 with gfr of 43. from >60 to 43 in 2 months. sle. white female 53yo. can anything cause a false low gfr? no previ kidney issues.
A doctor has provided 1 answer
False low GFR: Yes. Some medications like Bactrim (sulfamethoxazole and trimethoprim) can temporarily increase your creatinine level which could falsely lower your gfr. Another is contrast dye for ct scan. It can temporarily raise your creatinine. But if it is not going back to normal after a few days it means there is contrast induced damage to the kidneys. Lupus is a good reason for kidney damage.
Answered 6/25/2015
4.7k views
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