Comparative Pharmacology
Head-to-head clinical analysis: ISOLYTE S IN DEXTROSE 5 IN PLASTIC CONTAINER versus PLASMA LYTE 148 IN WATER IN PLASTIC CONTAINER.
Peer-Reviewed Evidence
Head-to-head clinical analysis: ISOLYTE S IN DEXTROSE 5 IN PLASTIC CONTAINER versus PLASMA LYTE 148 IN WATER IN PLASTIC CONTAINER.
ISOLYTE S IN DEXTROSE 5% IN PLASTIC CONTAINER vs PLASMA-LYTE 148 IN WATER IN PLASTIC CONTAINER
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Isolyte S in Dextrose 5% is a combination of electrolytes and dextrose. Dextrose provides caloric support and helps correct hypoglycemia. Electrolytes (sodium, potassium, magnesium, chloride, acetate, gluconate) replenish fluid and electrolyte deficits, maintaining osmotic balance and acid-base homeostasis.
Plasma-Lyte 148 is an isotonic crystalloid solution that provides electrolyte replacement and volume expansion. It mimics plasma electrolyte composition, with acetate and gluconate as bicarbonate precursors that are metabolized to bicarbonate in the liver and kidneys, helping to maintain acid-base balance.
Intravenous infusion; rate and volume determined by clinical condition, fluid and electrolyte requirements. Typical adult dose: 500-1000 mL as a single infusion, administered at a rate not exceeding 50 mL/kg/day.
Intravenous infusion; dose determined by electrolyte and fluid requirements. Typical adult rate: 25-100 mL/hour.
None Documented
None Documented
Not applicable as a fixed pharmacokinetic parameter; dextrose half-life ~10 minutes (rapidly metabolized); electrolytes distribute and are cleared according to renal function. In patients with normal renal function, elimination half-life of water and electrolytes varies with hydration status and GFR.
Not applicable; Plasma-Lyte 148 contains electrolytes and water that distribute according to body fluid compartments; infusion rate and renal function dictate elimination; clinical context: in normal renal function, excess fluids and electrolytes are cleared with a half-life of approximately 2-4 hours.
Renal elimination of water and electrolytes; dextrose is metabolized to CO2 and water, with <1% excreted unchanged in urine. Sodium and potassium are primarily excreted renally; acetate is metabolized to bicarbonate and excreted via lungs as CO2.
Renal: >90% of infused electrolytes and water are excreted unchanged in urine. Biliary/fecal excretion is negligible (<1%).
Category C
Category C
Intravenous Electrolyte Solution
Intravenous Electrolyte Solution