Diuretic Drug

A diuretic drug is a medication that increases urine production by promoting the kidney’s excretion of water and dissolved electrolytes, making it important for regulating fluid balance and blood pressure. Most diuretics act along the nephron by reducing sodium reabsorption; because water follows sodium osmotically, less fluid returns to the bloodstream and more leaves the body in urine. Loop, thiazide, and potassium-sparing diuretics target different transport processes and nephron regions. In biology and medicine, these drugs help manage hypertension, heart failure, and edema, while their effects on potassium and other electrolytes require careful monitoring.

Diuretic Drug - Related Videos

Education

JoVE Core - Pharmacology

Antihypertensive Drugs: Action of Diuretics

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2024

Diuretics are antihypertensive drugs used to treat hypertension resulting from sodium and water retention. Sodium, vital for fluid balance and nerve or muscle function, is regulated by the kidneys through millions of nephrons. Blood enters nephrons via afferent arterioles, which branch into capillaries called glomeruli. These filter blood plasma, allowing water and solutes, like sodium ions, to pass through capillary walls into Bowman's capsule. The filtrate then flows through various tubules...

Heart Failure Drugs: Diuretics

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2024

Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...

Antihypertensive Drugs: Thiazide-Class Diuretics

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2024

Thiazide diuretics are sulfonamide derivatives featuring a benzothiadiazine ring system in their molecular structure. Based on this structure, thiazide diuretics can be categorized into two groups: thiazide-type and thiazide-like diuretics. Thiazide-type diuretics, including hydrochlorothiazide and chlorothiazide, consist of a benzothiadiazine backbone with an attached sulfonamide group. Thiazide-like diuretics, such as chlorthalidone and indapamide, lack the thiazide ring but demonstrate...

Antihypertensive Drugs: Potassium-Sparing Diuretics

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2024

Liddle syndrome is a genetically inherited form of hypertension characterized by the overactivity of epithelial sodium channels in the nephron, the functional unit of the kidney. This heightened activity leads to increased sodium reabsorption and excessive excretion of potassium. To counteract this, potassium-sparing diuretics such as amiloride are used. They function by blocking these sodium channels, thereby reducing the influx of sodium into the epithelial cells and minimizing the loss of...

Research

JoVE Journal - Medicine
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Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System

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Cited by 4 •

2016

Here we describe a protocol using the web-based drug repurposing hypothesis generation tool: "RE:fine Drugs." This protocol can be modified to a user's preferences at the level of the query type (gene, drug or disease) and/or the range of available advanced options.

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