Which medications in the drug class Diuretics, Loop are used in the treatment of Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH)?

Updated: Aug 16, 2019
  • Author: Christie P Thomas, MBBS, FRCP, FASN, FAHA; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

Diuretics, Loop

These agents are often used in the treatment of hypervolemic hyponatremia. In patients with syndrome of inappropriate antidiuretic hormone secretion (SIADH) with euvolemic hyponatremia, diuretics are usually used in conjunction with normal saline to replenish the Na+ excreted with the diuresis.

Furosemide (Lasix)

Furosemide increases excretion of water by interfering with the Na+-K+-Cl- (Na-K-2Cl) transporter; that, in turn, results in inhibition of Na+ and Cl- reabsorption in the ascending loop of Henle. Na+ is reabsorbed more distally and the excreted urine is hypo-osmolar in relation to serum.


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