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Loop diuretics are pharmacological agents that primarily inhibit the Na-K-Cl cotransporter located on the luminal membrane of cells along the thick ascending limb of the loop of Henle. [4] They are often used for the treatment of hypertension and edema secondary to congestive heart failure , liver cirrhosis , or chronic kidney disease .
Thiazide (/ ˈ θ aɪ ə z aɪ d /) refers to both a class of sulfur-containing organic molecules [1] and a class of diuretics based on the chemical structure of benzothiadiazine. [2] The thiazide drug class was discovered and developed at Merck and Co. in the 1950s. [ 3 ]
Diuretics act primarily by reducing the reabsorption of sodium at different sites of the renal tubular system and consequently promoting the elimination of sodium and water with increased urine output. [3] Loop diuretics: furosemide, bumetanide, torsemide, ethacrynic acid; Thiazide diuretics: chlorothiazide, hydrochlorothiazide
Metolazone and a loop diuretic will synergistically enhance diuresis over the use of either agent alone. Using this combination, diuretic effects will occur at two different segments of the nephron; namely, the loop diuretic will act at the loop of Henle, and metolazone will act at the distal convoluted tubule. Metolazone is frequently ...
A thiazide-like diuretic is a sulfonamide diuretic that has similar physiological properties to a thiazide diuretic, but does not have the chemical properties of a thiazide, lacking the benzothiadiazine molecular structure. Examples include metolazone, chlorthalidone, and indapamide. [1]
The antihypertensive actions of some diuretics (thiazides and loop diuretics in particular) are independent of their diuretic effect. [ 1 ] [ 2 ] That is, the reduction in blood pressure is not due to decreased blood volume resulting from increased urine production , but occurs through other mechanisms and at lower doses than that required to ...
Thiazide diuretics inhibit Na + /Cl − reabsorption from the DCT by blocking the thiazide-sensitive Na-Cl cotransporter. By inhibiting the transporter, thiazide diuretics increase the gradient potential for Na. This increases the activity of the basolateral Na/Ca antiport and causes the increase in calcium reclamation associated with thiazide ...
Chlortalidone, also known as chlorthalidone, is a thiazide-like diuretic drug [1] used to treat high blood pressure, swelling (such as occurs in heart failure, liver failure, and nephrotic syndrome), diabetes insipidus, and renal tubular acidosis.