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All about: Ionosol and Dextrose

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Generic Name: sodium chloride, potassium chloride, sodium lactate, magnesium chloride, potassium phosphate, sodium phosphate and Dextrose
Dosage Form: Injection


Flexible Plastic Container

Rx only

Ionosol and Dextrose Description

Ionosol B and 5% Dextrose Injection (Multiple Electrolytes and 5% Dextrose Injection Type 1, USP) is a sterile, nonpyrogenic solution designed for intravenous administration. The solution is formulated to meet maintenance requirements for fluid and electrolytes.

Each 100 mL contains dextrose, hydrous 5 g plus sodium chloride 180 mg; potassium chloride 100 mg; sodium lactate, anhydrous 280 mg; magnesium chloride, hexahydrate 53 mg; dibasic potassium phosphate, anhydrous 100 mg; and monobasic sodium phosphate, monohydrate 16 mg.

Each liter contains 57 mEq sodium (Na+); 25 mEq potassium (K+); 5 mEq magnesium (Mg++); 49 mEq chloride (Cl); 7 mM phosphate (PO4); and 25 mEq lactate (CH3CH(OH)COO).

The electrolyte content is hypotonic (174 mOsmol/L, calc.) in relation to the extracellular fluid (approx. 280 mOsmol/L). The osmolarity for the total solution is 426 mOsmol/L (calc.). May contain hydrochloric acid and/or sodium hydroxide for pH adjustment. pH is 5.0 (4.0 to 6.5).

Dextrose, USP, hydrous is chemically designated C6H12O6• H2O (D-glucose, monohydrate), a hexose sugar freely soluble in water. Dextrose, hydrous has the following structural formula:

Magnesium Chloride, USP, hexahydrate is chemically designated MgCl2• 6H2O, colorless flakes or crystals very soluble in water.

Potassium Chloride, USP is chemically designated KCl, a white granular powder freely soluble in water.

Dibasic Potassium Phosphate, USP, anhydrous is chemically designated K2HPO4, white granules very soluble in water.

Sodium Chloride, USP is chemically designated NaCl, a white crystalline compound freely soluble in water.

Sodium Lactate, USP is chemically designated CH3CH(OH)COONa, a 60% aqueous solution miscible in water.

Monobasic Sodium Phosphate, USP, monohydrate is chemically designated NaH2PO4• H2O, white crystals or granules freely soluble in water.

Water for Injection, USP is chemically designated H2O.

The flexible plastic container is fabricated from a specially formulated polyvinylchloride. Water can permeate from inside the container into the overwrap but not in amounts sufficient to affect the solution significantly. Solutions inside the plastic container also can leach out certain of their chemical components in very small amounts before the expiration period is attained. However, the safety of the plastic has been confirmed by tests in animals according to USP biological standards for plastic containers.

Ionosol and Dextrose - Clinical Pharmacology

Ionosol B and 5% Dextrose Injection contains a hypotonic concentration of electrolytes with dextrose. The original formulation was Butler’s solution, and provides the major intracellular electrolytes (potassium, magnesium, and phosphorus) as well as sodium and chloride.

The formula is intended as an intravenous maintenance solution which at 30 mL/kg meets adult maintenance requirements for water and electrolytes. The solution can also be used to replace fluid loss from the large intestine.

Solutions containing dextrose restore blood glucose levels and provide calories. Carbohydrate in the form of dextrose may aid in minimizing liver glycogen depletion and exerts a protein-sparing action. Dextrose injected parenterally undergoes oxidation to carbon dioxide and water.

The lactate anion provides an alkalizing effect resulting from simultaneous removal by the liver of lactate and hydrogen ions. In the liver, the lactate is metabolized to glycogen which is ultimately converted to carbon dioxide and water by oxidative metabolism.

The lactate anion acts as a source (alternate) of bicarbonate when normal production and utilization of lactic acid is not impaired as a result of disordered lactate metabolism. Since metabolic conversion is dependent on the integrity of cellular oxidative processes, lactate may be inadequate or ineffective as a source of bicarbonate in patients suffering from acidosis associated with shock or other disorders involving reduced perfusion of body tissues. When oxidative activity is intact, one to two hours time is required for metabolism of lactate.

Magnesium chloride in water dissociates to provide magnesium (Mg++) and chloride (Cl) ions. Magnesium is the second most plentiful cation of the intracellular fluids. It is an important cofactor for enzymatic reactions and plays an important role in neurochemical transmission and muscular excitability. Normal plasma concentration ranges from 1.5 to 2.5 or 3.0 mEq/liter. Magnesium is excreted solely by the kidney at a rate proportional to the plasma concentration and glomerular filtration.

Phosphate is one of the three major intracellular electrolytes (along with potassium and magnesium) and the largest anion component found within the cells. Its concentration and excretion are largely dependent on intake, acid-base balance and endocrine function. Its metabolism follows that of calcium in many respects. Phosphate anion in electrolyte solutions may help to repair phosphate deficiency.

Potassium chloride in water dissociates to provide potassium (K+) and chloride (Cl) ions. Potassium is the chief cation of body cells (160 mEq/liter of intracellular water). It is found in low concentration in plasma and extracellular fluids (3.5 to 5.0 mEq/liter in a healthy adult and child over 10 days old; 3.5 to 6.0 mEq/liter in a child less than 10 days old). Potassium plays an important role in electrolyte balance. Normally about 80 to 90% of the potassium intake is excreted in the urine; the remainder in the stools and to a small extent, in the perspiration. The kidney does not conserve potassium well so that during fasting or in patients on a potassium-free diet, potassium loss from the body continues resulting in potassium depletion.

Sodium chloride in water dissociates to provide sodium (Na+) and chloride (Cl) ions. Sodium (Na+) is the principal cation of the extracellular fluid and plays a large part in the therapy of fluid and electrolyte disturbances. Chloride (Cl) has an integral role in buffering action when oxygen and carbon dioxide exchange occurs in the red blood cells. The distribution and excretion of sodium (Na+) and chloride (Cl) are largely under the control of the kidney which maintains a balance between intake and output.

Water is an essential constituent of all body tissues and accounts for approximately 70% of total body weight. Average normal adult daily requirement ranges from two to three liters (1.0 to 1.5 liters each for insensible water loss by perspiration and urine production). Average normal pediatric daily requirements are based on the child’s weight as described in the table below:


Fluid Requirements

Up to 10 kg

100 mL/kg

11 to 20 kg

1,000 mL + 50 mL/kg for each kg above 10 kg

Above 20 kg

1,500 mL + 20 mL/kg for each kg above 20 kg

Water balance is maintained by various regulatory mechanisms. Water distribution depends primarily on the concentration of electrolytes in the body compartments, and sodium (Na+) plays a major role in maintaining physiologic equilibrium.

Ionosol B and 5% Dextrose Injection contains a hypotonic electrolyte concentration. This should not be confused with the total tonicity (electrolytes plus nonelectrolytes) of solutions containing both electrolytes and dextrose. In general, solutions providing isotonic electrolyte concentrations are most applicable to replacement of acute deficits, whereas hypotonic electrolyte concentrations are best suited for parenteral maintenance of water requirements when only small quantities of electrolytes are desired.

Indications and Usage for Ionosol and Dextrose

Ionosol B and 5% Dextrose Injection is indicated for intravenous administration to patients who require a maintenance source of fluid and electrolytes.

Ionosol B and 5% Dextrose Injection is used in patients requiring polyionic fluid maintenance, for alkalosis due to vomiting, diabetic acidosis, fluid losses due to burns or stress and postoperative dehydration.


Solutions containing potassium are contraindicated in diseases where high potassium levels may be encountered.


Solutions which contain potassium ions should be used with great care, if at all, in patients with hyperkalemia, severe renal failure and in conditions in which potassium retention is present.

Solutions containing sodium ions should be used with great care, if at all, in patients with congestive heart failure, severe renal insufficiency and in clinical states in which there exists edema with sodium retention.

In patients with diminished renal function, administration of solutions containing sodium or potassium ions may result in sodium or potassium retention.

Solutions containing lactate ions should be used with great care, if at all, in patients with metabolic or respiratory alkalosis. The administration of lactate ions should be done with great care in those conditions in which there is an increased level or an impaired utilization of lactate ions, such as severe hepatic insufficiency.

The intravenous administration of Ionosol B and 5% Dextrose Injection can cause fluid and/or solute overloading resulting in dilution of serum electrolyte concentrations, overhydration, congested states or pulmonary edema.

The risk of dilutional states is inversely proportional to the electrolyte concentrations of administered parenteral solutions. The risk of solute overload causing congested states with peripheral and pulmonary edema is directly proportional to the electrolyte concentrations of such solutions.


Clinical evaluation and periodic laboratory determinations are necessary to monitor changes in fluid balance, electrolyte concentrations and acid-base balance during prolonged parenteral therapy or whenever the condition of the patient warrants such evaluation.

Caution must be exercised in the administration of parenteral fluids, especially those containing sodium ions, to patients receiving corticosteroids or corticotropin.

Solutions containing lactate ions should be used with caution as excess administration may result in metabolic alkalosis.

Solutions containing dextrose should be used with caution in patients with known subclinical or overt diabetes mellitus.

Do not administer unless solution is clear and container is undamaged. Discard unused portion.

Pregnancy Category C.

Animal reproduction studies have not been conducted with Ionosol solutions. It is also not known whether Ionosol solutions can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Ionosol solutions should be given to a pregnant woman only if clearly needed.

Geriatric Use:

An evaluation of current literature revealed no clinical experience identifying differences in response between elderly and younger patients. In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function and of concomitant disease or other drug therapy.

The drug is known to be substantially excreted by the kidney, and the risk of toxic reactions may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function.

Pediatric Use:

The safety and effectiveness in the pediatric population are based on the similarity of the clinical conditions of the pediatric and adult populations. In neonates or very small infants the volume of fluid may affect fluid and electrolyte balance.

Frequent monitoring of serum glucose concentrations is required when dextrose is prescribed to pediatric patients, particularly neonates and low birth weight infants.

In very low birth weight infants, excessive or rapid administration of dextrose injection may result in increased serum osmolality and possible intracerebral hemorrhage.

Adverse Reactions

Reactions which may occur because of the solution or the technique of administration include febrile response, infection at the site of injection, venous thrombosis or phlebitis extending from the site of injection, extravasation and hypervolemia.

If an adverse reaction does occur, discontinue the infusion, evaluate the patient, institute appropriate therapeutic countermeasures and save the remainder of the fluid for examination if deemed necessary.


In the event of overhydration or solute overload during therapy, re-evaluate the patient and institute appropriate corrective measures. See WARNINGS and PRECAUTIONS.

Ionosol and Dextrose Dosage and Administration

The dose is dependent upon the age, weight and clinical condition of the patient. The nominal dosage level for adults is 30 mL/kg. Ionosol B and 5% Dextrose Injection is administered intravenously.

As reported in the literature, the dosage and constant infusion rate of intravenous dextrose must be selected with caution in pediatric patients, particularly neonates and low birth weight infants, because of the increased risk of hyperglycemia/hypoglycemia.

Drug Interactions

Additives may be incompatible. Consult with pharmacist, if available. When introducing additives, use aseptic technique, mix thoroughly and do not store.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration. See PRECAUTIONS.


To Open:

Tear outer wrap at notch and remove solution container. Some opacity of the plastic due to moisture absorption during sterilization process may be observed. This is normal and does not affect the solution quality or safety. The opacity will diminish gradually.

If supplemental medication is desired, follow directions below before preparing for administration.

To Add Medication

1. Prepare additive port.

2. Using aseptic technique and an additive delivery needle of appropriate length, puncture resealable additive port at target area, inner diaphragm and inject. Withdraw needle after injecting medication.

3. The additive port may be protected by covering with an additive cap.

4. Mix container contents thoroughly.

To Administer

1. Attach administration set per manufacturer’s instructions.

2. Regulate rate of administration per institutional policy.

WARNING: Do not use flexible container in series connections.

How is Ionosol and Dextrose Supplied

Ionosol B and 5% Dextrose Injection (Multiple Electrolytes and 5% Dextrose Injection Type 1, USP) is supplied in 500 and 1000 mL flexible plastic single-dose containers, List No. 7371.

Exposure of pharmaceutical products to heat should be minimized. Avoid excessive heat. Protect from freezing. It is recommended that the product be stored at room temperature (25°C); however, brief exposure up to 40°C does not adversely affect the product.

©Hospira 2004


Printed in USA


Ionosol and Dextrose (Sodium chloride, potassium chloride, sodium lactate, magnesium chloride, potassium phosphate, sodium phosphate and Dextrose)
Product Code 0409-7371 Dosage Form INJECTION, SOLUTION
Route Of Administration INTRAVENOUS DEA Schedule
Name (Active Moiety) Type Strength
Dextrose Hydrous (Dextrose) Active 5 GRAM  In 100 MILLILITER
Sodium Chloride (Sodium chloride) Active 180 MILLIGRAM  In 100 MILLILITER
Potassium chloride (Potassium chloride) Active 100 MILLIGRAM  In 100 MILLILITER
Sodium Lactate (Sodium Lactate) Active 280 MILLIGRAM  In 100 MILLILITER
Magnesium Chloride (Magnesium Chloride) Active 53 MILLIGRAM  In 100 MILLILITER
Potassium Phosphate, dibasic (Potassium Phosphate, dibasic) Active 100 MILLIGRAM  In 100 MILLILITER
Sodium Phosphate, monobasic, monohydrate (Sodium Phosphate, monobasic, monohydrate) Active 16 MILLIGRAM  In 100 MILLILITER
Water Inactive  
Hydrochloric Acid Inactive  
Sodium Hydroxide Inactive  
Characteristic Appearance Characteristic Appearance
Color Score
Shape Symbol
Imprint Code Coating
# NDC Package Description Multilevel Packaging
1 0409-7371-03 24 BAG In 1 CASE contains a BAG
1 500 MILLILITER In 1 BAG This package is contained within the CASE (0409-7371-03)
2 0409-7371-09 12 BAG In 1 CASE contains a BAG
2 1000 MILLILITER In 1 BAG This package is contained within the CASE (0409-7371-09)

Revised: 06/2006

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