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Secaucus, NJ
A 34-year-old male asked:

chf patient under 1l water intake a day, bun level 63, creatinine 2.0 on lasix 40 mg maintenance dosage. should water intake be increased a little so the kidneys don't conserve water? asking because of decreased urination wirh stable gfr. check adh?

2 doctor answers4 doctors weighed in
Dr. Matt Wachsman
Internal Medicine 36 years experience
Cannot say: without an exam, I can only give general information. and it would depend on the overall labs in the past, use of aspirin like drugs, what other drugs are present (ace inhibitors). BUT the ratio of bun to creatinine is high. This implies low filtration that is improved with a bit more water in diet.
Dr. Rebecca Gliksman
Internal Medicine 38 years experience
CHF/ renal disease: This question is best asked to you cardiologist, as you have CHF and kidney damage so your fluid balance is very delicate. Drinking too much can put you back in CHF. Would recheck your creatinine and your creatinine clearence, EF on echocardiogram as it may have changed. Discuss this with your cardiologist

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Last updated Apr 27, 2018

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