Osmotic diuresis

**Osmotic diuresis** refers to increased urination due to the presence of certain substances in the fluid filtered by the kidneys that cannot be reabsorbed. These osmotically active agents—such as glucose in uncontrolled diabetes or pharmacologic agents like mannitol—draw water into the renal tubules, increasing urine output. This process occurs primarily in parts of the nephron permeable to water, such as the proximal convoluted tubule and descending limb of Henle's loop[1][2][3][5]. Osmotic diuretics are used clinically to reduce intracranial and intraocular pressure and manage acute kidney failure by promoting rapid elimination of toxins or excess fluid[4][6]. However, **osmotic diuresis itself is not a molecular drug target**, but rather an outcome produced by certain conditions or medications. **Key point:** If you are seeking information on therapeutic targets for drug development or pharmacology databases, "osmotic diuresis" should be replaced with specific molecules such as "mannitol," "isosorbide," or other osmotic agents—or with relevant transporters/receptors if known.

Other names

Osmotic diuresis is not a molecule, receptor, or protein; it is a physiological process. Sometimes the term "osmotic diuretic" refers to drugs that induce this effect (e.g., mannitol), but "osmotic diuresis" itself is not a drug target[1][4][5].