Comparative Pharmacology
Head-to-head clinical analysis: HYDROMOX versus METAHYDRIN.
Peer-Reviewed Evidence
Head-to-head clinical analysis: HYDROMOX versus METAHYDRIN.
HYDROMOX vs METAHYDRIN
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Inhibits the sodium-chloride symporter (NCC) in the distal convoluted tubule of the kidney, reducing sodium and chloride reabsorption and increasing water excretion.
Metahydrin (trichlormethiazide) is a thiazide diuretic that inhibits the sodium-chloride symporter (NCC) in the distal convoluted tubule of the nephron, reducing sodium and chloride reabsorption and increasing excretion of water, sodium, chloride, and potassium.
50-100 mg orally once daily; may increase to 200 mg/day for severe edema.
Oral, 50-100 mg once daily. Maximum 200 mg/day.
None Documented
None Documented
Terminal elimination half-life: 6-9 hours; prolonged to 24-36 hours in renal impairment (CrCl <30 mL/min)
18-30 hours (clinically relevant for once-daily dosing in hypertension; prolonged in renal impairment)
Renal: 70% unchanged via tubular secretion; biliary/fecal: <10%
Renal: 30% (fecal: 70% as unabsorbed drug, primarily biliary elimination; <1% unchanged in urine)
Category C
Category C
Thiazide Diuretic
Thiazide Diuretic