Diuretic Agents

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Can you name the Diuretic Agents ?

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Mechanism like amiloride, much less potent, more toxic
Only parenteral thiazide available
Toxicity: Nausea, vomiting, headache. May enhance congestive heart failure or cause pulmonary edema.
Antagonist at V1a and V2 ADH receptors. Reduces water reabsorption and increases plasma Na concentration
MOA: Blocks epithelial sodium channels in collecting tubules
Toxicity: Infusion site reactions
Inhibition of Na/K/Cl transporter in the ascending limb of Henle's loop
MOA: Physical osmotic effect on tissue water distribution because it is retained in the vascular compartment
Popular for use with loop agents for synergistic effects
MOA: Inhibition of the enzyme prevents dehydration of H2CO3 and hydration of CO2
Not a sulfonamide but has typical loop activity and some uricosuric action loop diuretic
Pharmacologic antagonist of aldosterone
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Used for hypertension, mild heart failure, nephrolithiasis, nephrogenic diabetes insipidus
Reduces reabsorption of HCO3- in the kidney causing self limited diuresis
Toxicity: Hyperkalemia, gynecomastia
Toxicities: Ototoxicity, hypovolemia, K wasting, hyperuricemia, hypomagnesemia
Toxicities: Hypokalemic metabolic alkalosis, hyperuricemia, hyperglycemia, hyponatremia
Used for peripheral edema, hypertension, acute hypercalcemia, hyperkalemia, acute renal failure, anion overdose
Clinical applications: glaucoma, mountain sickness, edema with alkalosis
Sulfonamide similar to thiazide
Toxicities: metabolic acidosis, renal stones, hyperammonemia in cirrhotics
Like spironolactone, more selective for aldosterone receptor
Toxicity: Hyperkalemic metabolic acidosis
MOA: Inhibition of NaCl transporter in the distal convoluted tubule

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Created Feb 12, 2011ReportNominate
Tags:agent, diuretic