Comparative Pharmacology
Head-to-head clinical analysis: DEXTROSE 5 AND LACTATED RINGER S versus DEXTROSE 5 AND POTASSIUM CHLORIDE 0 075 IN PLASTIC CONTAINER.
Peer-Reviewed Evidence
Head-to-head clinical analysis: DEXTROSE 5 AND LACTATED RINGER S versus DEXTROSE 5 AND POTASSIUM CHLORIDE 0 075 IN PLASTIC CONTAINER.
DEXTROSE 5% AND LACTATED RINGER'S vs DEXTROSE 5% AND POTASSIUM CHLORIDE 0.075% IN PLASTIC CONTAINER
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Dextrose provides a source of calories and carbon for metabolism, increasing blood glucose concentration. Lactated Ringer's solution replenishes fluid and electrolytes (sodium, chloride, potassium, calcium, and lactate), where lactate is metabolized to bicarbonate in the liver to buffer acidosis.
Dextrose is a monosaccharide that serves as a source of calories and water for hydration. It is metabolized to carbon dioxide and water, yielding energy. Potassium chloride dissociates to provide potassium ions, which are essential for maintenance of intracellular tonicity, nerve impulse transmission, contraction of cardiac, skeletal, and smooth muscle, and maintenance of normal renal function.
Intravenous infusion; rate determined by fluid and electrolyte requirements; typical adult maintenance: 100-200 mL/hour.
Intravenous infusion; rate and volume determined by patient fluid and electrolyte status. Typical maintenance: 100-125 mL/hour for adults, providing 5 g dextrose and 7.5 mEq potassium chloride per liter.
None Documented
None Documented
Dextrose: not applicable (immediate metabolism). Lactate: ~15-20 minutes (converted to bicarbonate, dose-dependent). Clinical context: effects of fluid resuscitation persist until distribution/elimination; electrolyte levels adjust rapidly.
Potassium: terminal half-life ~1-1.5 hours in normokalemic patients; clinically relevant for dosing interval. Glucose: negligible terminal half-life due to rapid metabolism.
Dextrose is completely metabolized to carbon dioxide and water, with no significant renal or biliary excretion. Lactated Ringer's components: lactate is metabolized to bicarbonate (primarily hepatic), water and electrolytes are excreted renally. >90% of infused water and electrolytes are eliminated via kidneys; <5% fecal.
Potassium: 90% renal, 10% fecal. Glucose: completely metabolized; <1% renal.
Category C
Category C
IV Fluid
IV Fluid