Potassium-sparing diuretics are a class of medications that promote the excretion of water and sodium while conserving potassium in the body. They work primarily on the distal convoluted tubule and collecting duct of the nephron, making them unique compared to other diuretics that typically cause potassium loss. These diuretics are commonly used to treat conditions such as hypertension and heart failure, as they help manage fluid balance without depleting potassium levels.
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