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Price of Torasemide
Demadex 5 mg tablet
* price without discount in nearest pharmacy. Price may vary.
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Torasemide volume of distribution
* 12 to 15 L (normal adults or in patients with mild to moderate renal failure or congestive heart failure)
What is Torasemide
Torasemide (rINN) or torsemide (USAN) is a pyridine-sulfonylurea type loop diuretic mainly used in the management of edema associated with congestive heart failure. It is also used at low doses for the management of hypertension. It is marketed under the brand name Demadex. (Wikipedia)
Torasemide mechanism of action
Torasemide inhibits the Na sup + /sup /K sup + /sup /2Cl sup – /sup -carrier system (via interference of the chloride binding site) in the lumen of the thick ascending portion of the loop of Henle, resulting in a decrease in reabsorption of sodium and chloride. This results in an increase in the rate of delivery of tubular fluid and electrolytes to the distal sites of hydrogen and potassium ion secretion, while plasma volume contraction increases aldosterone production. The increased delivery and high aldosterone levels promote sodium reabsorption at the distal tubules, and By increasing the delivery of sodium to the distal renal tubule, torasemide indirectly increases potassium excretion via the sodium-potassium exchange mechanism. Torasemide’s effects in other segments of the nephron have not been demonstrated. Thus torasemide increases the urinary excretion of sodium, chloride, and water, but it does not significantly alter glomerular filtration rate, renal plasma flow, or acid-base balance. Torasemide’s effects as a antihypertensive are due to its diuretic actions. By reducing extracellular and plasma fluid volume, blood pressure is reduced temporarily, and cardiac output also decreases.
Dosage forms of Torasemide
Humans and other mammals
Indication of Torasemide
For the treatment of edema associated with congestive heart failure, renal disease, or hepatic disease. Also for the treatment of hypertension alone or in combination with other antihypertensive agents.
Toxicity of Torasemide
Symptoms of overdose include dehydration, hypovolemia, hypotension, hyponatremia, hypokalemia, hypochloremic alkalosis, and hemoconcentration. Oral LD sub 50 /sub in rat is 5 g/kg, and intravenous LD sub 50 /sub in rat is 500 mg/kg.
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