ISOLYTE E W/ DEXTROSE 5% IN PLASTIC CONTAINER
Clinical safety rating
cautionComprehensive clinical and safety monograph for ISOLYTE E W/ DEXTROSE 5% IN PLASTIC CONTAINER (ISOLYTE E W/ DEXTROSE 5% IN PLASTIC CONTAINER).
Isolyte E with Dextrose 5% provides isotonic fluid, electrolytes (sodium, potassium, magnesium, chloride, acetate, gluconate), and calories (dextrose). Dextrose supplies glucose for cellular energy, electrolytes maintain acid-base balance and osmotic pressure, and acetate/gluconate serve as bicarbonate precursors to correct metabolic acidosis.
| Metabolism | Dextrose is metabolized via glycolysis and the citric acid cycle. Acetate is metabolized primarily in the liver and muscle to bicarbonate. Gluconate is converted to glucose or metabolized via the pentose phosphate pathway. |
| Excretion | Renal: 100% (as free water and electrolytes, not metabolized). Biliary/Fecal: negligible. |
| Half-life | Not applicable (dextrose and electrolytes are endogenous substances; distribution and elimination are rapid, with a functional half-life of minutes to hours depending on infusion rate and renal function). |
| Protein binding | Negligible (<5%) for dextrose and electrolytes; no specific binding proteins. |
| Volume of Distribution | Dextrose: ~0.2 L/kg (total body water); Electrolytes: ~0.4 L/kg (extracellular fluid). Clinical meaning: distributes throughout total body water. |
| Bioavailability | Intravenous: 100%. |
| Onset of Action | Intravenous: immediate (within seconds to minutes) for correction of fluid and electrolyte imbalances. |
| Duration of Action | Dependent on infusion rate and patient's metabolic state; effects persist as long as infusion continues. Cessation results in rapid return to baseline within 1-2 hours for dextrose, with electrolyte effects lasting up to several hours. |
| Molecular Weight | 180.16 |
Intravenous infusion; dose based on electrolyte deficits and maintenance requirements; typical adult maintenance: 50-100 mL/hour, up to 2-3 L/day.
| Dosage form | INJECTABLE |
| Renal impairment | Monitoring of electrolytes and volume status required; dosage adjustment not standardized; avoid in severe renal impairment (eGFR <30 mL/min/1.73 m²) due to risk of hyperkalemia and fluid overload. |
| Liver impairment | No specific adjustment recommended; monitor electrolytes and acid-base balance; caution in severe hepatic impairment due to altered fluid clearance. |
| Pediatric use | Weight-based: 100-150 mL/kg/day for maintenance; adjust for ongoing losses; use with caution in neonates and children with renal impairment. |
| Geriatric use | Consider reduced starting rates due to decreased renal function and increased risk of fluid overload; monitor electrolytes and volume status closely; adjust rate based on comorbidities. |
| 1st trimester | Generally safe; use only if clearly needed. Dextrose and electrolytes are essential nutrients. No known teratogenicity at standard doses. |
| 2nd trimester | Generally safe; monitor maternal glucose and electrolytes. No known fetal harm. |
| 3rd trimester | Generally safe; caution with maternal fluid overload, especially in preeclampsia or cardiac disease. |
Clinical note
Comprehensive clinical and safety monograph for ISOLYTE E W/ DEXTROSE 5% IN PLASTIC CONTAINER (ISOLYTE E W/ DEXTROSE 5% IN PLASTIC CONTAINER).
| Placental transfer | Dextrose and electrolytes cross the placenta freely; considered safe at physiologic levels. |
| Breastfeeding | Dextrose and electrolytes are normal constituents of human milk. No adverse effects expected with standard IV infusion. Monitor infant for excessive fluid/electrolyte shifts if mother receives large volumes. |
| Lactation Rating | L1 (Safe) |
| Teratogenic Risk | No evidence of teratogenicity in animal studies or human data. Dextrose and electrolytes are essential nutrients; no structural anomalies attributed. However, hyperglycemia in uncontrolled maternal diabetes may cause fetal malformations. Use cautiously in gestational diabetes. |
| Fetal Monitoring | Monitor maternal blood glucose, electrolytes, fluid balance, and urine output. In prolonged use, monitor fetal heart rate and growth. Assess for maternal hyperglycemia, fluid overload, or electrolyte disturbances. |
| Fertility Effects | No known effects on fertility. Dextrose and electrolytes are physiological; no reproductive toxicity reported. Impact only if maternal disease (e.g., diabetes) affects fertility. |
■ FDA Black Box Warning
NOT FOR USE IN HYPERLACTATEMIA, SEVERE METABOLIC ALKALOSIS, OR SEVERE HEPATIC FAILURE; CONTAINS ALUMINUM WHICH MAY BE TOXIC WITH PROLONGED USE IN RENAL IMPAIRMENT; ADDITIVES MAY BE INCOMPATIBLE, CONSULT PHARMACIST.
| Serious Effects |
Hyperglycemia (severe, uncontrolled)Hyperkalemia (if containing potassium)Severe fluid overload (e.g., pulmonary edema, CHF decompensation)
| Precautions | Monitor serum electrolytes, fluid balance, and blood glucose. Use with caution in patients with heart failure, renal impairment, hepatic disease, or hyperglycemia. Hypersensitivity reactions may occur. Avoid rapid or large-volume infusion in patients with impaired glucose tolerance. |
| Food/Dietary | No known food interactions. However, patients with diabetes should be aware of dextrose content which affects blood glucose. Dietary potassium or magnesium restriction may be necessary if electrolyte imbalances occur. |
| Clinical Pearls | ISOLYTE E W/ DEXTROSE 5% is an isotonic, balanced electrolyte solution with 5% dextrose for parenteral replacement of fluid and electrolytes. It contains potassium, magnesium, and acetate (bicarbonate precursor). Avoid in patients with hyperkalemia, hypermagnesemia, or metabolic alkalosis. Monitor serum electrolytes, glucose, and renal function. Use with caution in heart failure, renal impairment, and patients at risk for fluid overload. Do not administer if cloudy or precipitate present. Discard any unused portion. |
| Patient Advice | This solution provides fluids, sugar, and electrolytes to correct imbalances. · Your healthcare team will monitor your blood sugar and electrolyte levels during treatment. · Report any symptoms like swelling, shortness of breath, or changes in urination. · This medication is given only in a hospital or clinic setting by a healthcare professional. · Tell your doctor if you have any allergies, especially to corn (dextrose source). |
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