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Kidney Diseases

Diuretics and Kidney Damage

05/15/2009

Question:

Do diuretics cause damage to the kidneys?

Answer:

Diuretics should not actually damage the kidneys (except in the case of uncommon allergic reactions, especially to sulfa-containing diuretics such as Lasix).  However, by removing water from the circulation, diuretics can raise the levels of BUN and creatinine, which are commonly-used measures of kidney function.  When this happens, the BUN and creatinine should go right back down to their previous levels when the diuretic is stopped. 

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Response by:

Mildred   Lam, MD Mildred Lam, MD
Associate Professor of Medicine
School of Medicine
Case Western Reserve University