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Loop diuretics usually have a ceiling effect whereby doses greater than a certain maximum amount will not increase the clinical effect of the drug. Also, there is a threshold minimum concentration of loop diuretics that needs to be achieved at the thick ascending limb to enable the onset of abrupt diuresis. [10]
Potentially serious side effects include electrolyte abnormalities, low blood pressure, and hearing loss. [4] It is recommended that serum electrolytes (especially potassium), serum CO 2, creatinine, BUN levels, and liver and kidney functioning be monitored in patients taking furosemide.
This illustration demonstrates the normal kidney physiology, including the Proximal Convoluted Tubule (PCT), Loop of Henle, and Distal Convoluted Tubule (DCT). It also includes illustrations showing where some types of diuretics act, and what they do. Renal physiology (Latin renes, "kidneys") is the study of the physiology of the kidney.
Patiromer is taken by mouth and works by binding free potassium ions in the gastrointestinal tract and releasing calcium ions for exchange, thus lowering the amount of potassium available for absorption into the bloodstream and increasing the amount lost via the feces. [13] [46] The net effect is a reduction of potassium levels in the blood ...
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 ...
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 ...
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The drug is often used in conjunction with a thiazide diuretic to counteract with a potassium-losing effect. Due to its potassium-sparing capacities, hyperkalemia (elevated potassium concentration in the blood) can occur. The risk of developing hyperkalemia is increased in patients who are also taking ACE inhibitors, angiotensin II receptor ...