Comparative Pharmacology
Head-to-head clinical analysis: ISOLYTE R IN DEXTROSE 5 IN PLASTIC CONTAINER versus PLASMA LYTE A IN PLASTIC CONTAINER.
Peer-Reviewed Evidence
Head-to-head clinical analysis: ISOLYTE R IN DEXTROSE 5 IN PLASTIC CONTAINER versus PLASMA LYTE A IN PLASTIC CONTAINER.
ISOLYTE R IN DEXTROSE 5% IN PLASTIC CONTAINER vs PLASMA-LYTE A IN PLASTIC CONTAINER
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Electrolyte and fluid replacement; dextrose provides caloric support.
Maintenance and restoration of fluid and electrolyte balance; provides isotonic crystalloid solution with sodium, potassium, magnesium, chloride, and acetate/bicarbonate precursors to buffer acidity.
Intravenous infusion; rate based on fluid and electrolyte requirements, typically 1-2 mL/kg/hour for maintenance in adults.
Intravenous infusion; adult dose is based on electrolyte and fluid requirements, typically 500-1000 mL/hour initially, then adjusted; maximum rate 30 mL/kg/hour.
None Documented
None Documented
Not applicable; components are endogenous substances. Dextrose has a plasma half-life of approximately 1.5-2.5 hours in normal glucose metabolism; electrolytes have half-lives dependent on renal function (e.g., sodium half-life ~1-2 days).
Not applicable as a single half-life; electrolytes have distribution and elimination phases governed by body stores and renal function. For water, elimination half-life is ~2-4 hours in euvolemic individuals with normal GFR. Clinically, infused volume distributes within ~30 minutes and is renally cleared over several hours.
Renal excretion of water and electrolytes; dextrose is metabolized to CO2 and water. >90% of water and electrolytes are excreted renally; dextrose is fully metabolized.
Electrolytes and water are primarily excreted renally: sodium (90-95% filtered, reabsorbed), chloride (follows sodium), potassium (80-90% renal, 10% fecal), magnesium (30-50% reabsorbed, remainder excreted), acetate (metabolized to bicarbonate, ultimately renal). Fluid volume is regulated by renal mechanisms (ADH, aldosterone). Essentially 100% of administered volume and electrolytes are eliminated via kidneys under normal physiology.
Category C
Category C
Intravenous Electrolyte Solution
Intravenous Electrolyte Solution