Comparative Pharmacology
Head-to-head clinical analysis: ISOLYTE P W DEXTROSE 5 IN PLASTIC CONTAINER versus PLASMA LYTE A IN PLASTIC CONTAINER.
Peer-Reviewed Evidence
Head-to-head clinical analysis: ISOLYTE P W DEXTROSE 5 IN PLASTIC CONTAINER versus PLASMA LYTE A IN PLASTIC CONTAINER.
ISOLYTE P W/ 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.
ISOLYTE P with 5% Dextrose provides electrolyte replacement and caloric supplementation. Dextrose is metabolized to carbon dioxide and water, yielding energy. Electrolytes are essential for maintaining osmotic balance, acid-base equilibrium, and normal cellular function.
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. Adult dose: 1000-2000 mL over 24 hours, adjusted based on fluid and electrolyte needs. Typical rate: 125-150 mL/hour.
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
Dextrose: rapid clearance, half-life ~1.5-2 hours in normoglycemic patients; prolonged in renal impairment or diabetes. Electrolytes follow homeostatic regulation with no defined terminal half-life.
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 free water and electrolytes; dextrose is metabolized to CO2 and water, with negligible biliary or fecal elimination. Approximately 50-70% of infused water is excreted renally within 24 hours, adjusted by ADH and renal function.
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