A diuretic is any drug that elevates the rate of urination . There are several categories of diuretics. All diuretics increase the excretion of water from the body, although each class of diuretic does so in a distinct way. High ceiling diuretics are diuretics that may cause a substantial diuresis - up to 20% of the filtered load of NaCl and water. This is huge, compared to that normal renal...
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