Comparative Pharmacology
Head-to-head clinical analysis: HYDRODIURIL versus INDERIDE 40 25.
Peer-Reviewed Evidence
Head-to-head clinical analysis: HYDRODIURIL versus INDERIDE 40 25.
HYDRODIURIL vs INDERIDE-40/25
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Inhibits sodium-chloride symporter in the distal convoluted tubule of the kidney, increasing excretion of sodium and water, reducing plasma volume and cardiac output.
Inderide-40/25 is a combination of propranolol (non-cardioselective beta-blocker) and hydrochlorothiazide (thiazide diuretic). Propranolol reduces heart rate, myocardial contractility, and renin secretion via beta-adrenergic receptor blockade. Hydrochlorothiazide inhibits Na+/Cl- cotransporter in distal convoluted tubule, increasing excretion of Na+, Cl-, and water; also reduces peripheral vascular resistance.
25-100 mg orally once daily. For hypertension: 12.5-25 mg once daily.
One tablet (40 mg propranolol HCl/25 mg hydrochlorothiazide) orally twice daily; may increase to maximum of 160 mg propranolol/100 mg hydrochlorothiazide per day in divided doses.
None Documented
None Documented
Terminal elimination half-life is approximately 5.6–14.8 hours (mean ~10 hours); clinically, duration of diuresis correlates with half-life, allowing once or twice daily dosing.
Propranolol: 3-6 hours (terminal); clinical context: dosing 2-3 times daily due to short half-life; may accumulate in hepatic impairment. Hydrochlorothiazide: 6-15 hours (terminal); clinical context: longer in renal impairment.
Renal: approximately 95% eliminated unchanged in urine via glomerular filtration and tubular secretion; biliary/fecal: <5%.
Propranolol: extensively metabolized in liver via CYP2D6 and glucuronidation; <1% excreted unchanged in urine. Hydrochlorothiazide: ~70% excreted unchanged in urine via tubular secretion.
Category C
Category C
Thiazide Diuretic
Beta Blocker and Thiazide Diuretic