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Hypokalemia – Thiazide diuretics reduce potassium concentration in blood through two indirect mechanisms: inhibition of sodium-chloride symporter at distal convoluted tubule of a nephron and stimulation of aldosterone that activates Na+/K+-ATPase at collecting duct. Inhibition of sodium-chloride symporter increases availability of sodium and ...
Thiazide diuretics are sometimes combined with amiloride to prevent hypokalemia caused by the thiazides. It seems paradoxical to treat an extreme diuresis with a diuretic, and the exact mechanism of action is unknown but the thiazide diuretics will decrease distal convoluted tubule reabsorption of sodium and water, thereby causing diuresis.
The most obvious cause is a kidney or systemic disorder, including amyloidosis, [2] polycystic kidney disease, [3] electrolyte imbalance, [4] [5] or some other kidney defect. [2] The major causes of acquired nephrogenic diabetes insipidus that produce clinical symptoms (e.g., polyuria) in the adult are lithium toxicity and high blood calcium.
Correction with oral bicarbonate may exacerbate urinary potassium losses and precipitate hypokalemia. [13] As with dRTA, reversal of the chronic acidosis should reverse bone demineralization. [14] Thiazide diuretics can also be used as a treatment by making use of contraction alkalosis caused by them. [citation needed]
Hydrochlorothiazide, sold under the brand name Hydrodiuril among others, is a diuretic medication used to treat hypertension and swelling due to fluid build-up. [4] Other uses include treating diabetes insipidus and renal tubular acidosis and to decrease the risk of kidney stones in those with a high calcium level in the urine. [4]
This buildup of stress can cause dogs to suddenly “snap,” making it appear as if the dog’s behavior has changed out of the blue. Instead, the dog has likely been silently suffering from the ...
The thiazides and potassium-sparing diuretics are considered to be calcium-sparing diuretics. [6] The thiazides cause a net decrease in calcium lost in urine. [7] The potassium-sparing diuretics cause a net increase in calcium lost in urine, but the increase is much smaller than the increase associated with other diuretic classes. [7]
Potassium-sparing diuretics or antikaliuretics [1] refer to drugs that cause diuresis without causing potassium loss in the urine. [2] They are typically used as an adjunct in management of hypertension, cirrhosis, and congestive heart failure. [3] The steroidal aldosterone antagonists can also be used for treatment of primary hyperaldosteronism.