Comparative Pharmacology
Head-to-head clinical analysis: DEXTROSE 5 SODIUM CHLORIDE 0 2 AND POTASSIUM CHLORIDE 10MEQ versus MAGNESIUM SULFATE IN DEXTROSE 5 IN PLASTIC CONTAINER.
Peer-Reviewed Evidence
Head-to-head clinical analysis: DEXTROSE 5 SODIUM CHLORIDE 0 2 AND POTASSIUM CHLORIDE 10MEQ versus MAGNESIUM SULFATE IN DEXTROSE 5 IN PLASTIC CONTAINER.
DEXTROSE 5%, SODIUM CHLORIDE 0.2% AND POTASSIUM CHLORIDE 10MEQ vs MAGNESIUM SULFATE IN DEXTROSE 5% IN PLASTIC CONTAINER
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Dextrose provides calories and serves as a source of energy through cellular glucose uptake and metabolism. Sodium chloride replenishes extracellular fluid and electrolytes. Potassium chloride replaces intracellular potassium, essential for neuromuscular and cardiac function.
Magnesium sulfate provides magnesium ions, which are essential for various physiological processes. It acts as a cofactor for enzymatic reactions, stabilizes excitable membranes, and antagonizes calcium entry at the neuromuscular junction, leading to reduced acetylcholine release and muscle relaxation. In the CNS, it may act as a noncompetitive antagonist of NMDA receptors, exerting anticonvulsant effects.
Intravenous infusion: 100-200 mL/hour, adjusting based on patient's fluid status, serum electrolytes, and clinical response. Typical administration rate for maintenance: 0.5-1.5 mL/kg/hour.
1 to 4 g intravenously as a 5% to 20% solution, rate not exceeding 150 mg/min; dosing frequency depends on indication (e.g., preeclampsia/eclampsia: 4-5 g IV loading then 1-2 g/hr infusion; hypomagnesemia: 1-2 g IV over 1-2 hours, may repeat based on serum magnesium levels).
None Documented
None Documented
Dextrose: 1-2 hours (endogenous glucose turnover). Potassium: ~4-6 hours in healthy adults; prolonged in renal impairment.
Terminal half-life approximately 4-5 hours in normal renal function; prolonged in renal impairment (up to 40 hours).
Renal: Dextrose is metabolized to CO2 and water; sodium and potassium are excreted renally. Potassium excretion is 90% renal, 10% fecal. Sodium excretion is >95% renal.
Primarily renal (90-100% as unchanged magnesium). Less than 1% biliary/fecal.
Category A/B
Category C
Electrolyte
Electrolyte