Which medications in the drug class Diuretics, Loop are used in the treatment of Hyperchloremic Acidosis?

Updated: Oct 18, 2018
  • Author: Sai-Ching Jim Yeung, MD, PhD, FACP; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Answer

Diuretics, Loop

Diuretics are used to overcome fluid overload. They increase the distal delivery of sodium by rendering the collecting tubule impermeable to chloride and increase the exchange of sodium for hydrogen and potassium.

Furosemide (Lasix)

This agent increases water excretion by interfering with the chloride-binding cotransport system, which, in turn, inhibits sodium and chloride reabsorption in the ascending loop of Henle and distal renal tubule. The dose must be individualized to patient.

Bumetanide (Bumex, Burinex)

Bumetanide increases the excretion of water by interfering with the chloride-binding cotransport system, which, in turn, inhibits sodium, potassium, and chloride reabsorption in the ascending loop of Henle. These effects increase urinary excretion of sodium, chloride, and water, resulting in profound diuresis. Renal vasodilation occurs following administration, renal vascular resistance decreases, and renal blood flow is enhanced. Bumetanide is roughly four times as potent as furosemide on a milligram basis. Depending on the response, administer bumetanide at small dose increments (0.5-5 mg) until desired diuresis occurs.

Torsemide (Demadex)

Torsemide acts from within the lumen of the thick ascending portion of the loop of Henle, where it inhibits the sodium, potassium, and chloride carrier system. It increases urinary excretion of sodium, chloride, and water, but does not significantly alter the glomerular filtration rate, renal plasma flow, or acid-base balance. Torsemide is roughly twice as potent as furosemide on a milligram basis. Depending on the response, administer furosemide at small dose increments (10-100 mg) until desired diuresis occurs.


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