dextrose

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dextrose

Classes

Carbohydrate IV Solutions and Additives, 10% or less
Glucose Products for Hypoglycemia
Glucose/Dextrose Products for GTT
Solutions with One Carbohydrate

Administration
Oral Administration

Do not administer oral glucose products to anyone who is unconscious or unable to swallow.

Oral Solid Formulations

Glucose tablets: Chew tablets thoroughly before swallowing.
Glucose powder: Place powder in directly into mouth or into a small glass of water and let it dissolve.
Repeat dose if after 15 minutes glucose concentrations still test low (less than 70 mg/dL).
Once blood glucose returns to normal, consume a meal or snack to prevent recurrence of hypoglycemia.
If symptoms of hypoglycemia persist, contact a physician.

Oral Liquid Formulations

Glucose (dextrose) oral gel or liquid oral solution
Take as directed on product label.
Repeat dose if after 15 minutes glucose concentrations still test low (less than 70 mg/dL).
Once blood glucose returns to normal, consume a meal or snack to prevent recurrence of hypoglycemia.
If symptoms of hypoglycemia persist, contact a physician.
 
Glucose (dextrose) oral solutions for diagnostic use (glucose tolerance test, GTT)
See Dosage/Indications for more information on the GTT test and administration.

Injectable Administration

Visually inspect parenteral products for particulate matter and discoloration prior to administration whenever solution and container permit.

Intravenous Administration

Dilution
Concentrated dextrose solutions (i.e., 20% to 70%) MUST be diluted with compatible IV solutions or used as an admixture. They are NOT for direct IV infusion.[62968]
Check for specific IV compatibilities. When introducing additives to commercially prepared dextrose solutions, use aseptic technique, mix thoroughly, and do not store.
 
IV Infusion
Dextrose solutions are administered by slow IV infusion.
Solutions containing more than 5% dextrose or parenteral nutrition solutions with an osmolarity of 900 mOsm/L or more should be infused via a central vein. Infusion into a peripheral vein may result in vein irritation, vein damage, thrombosis, and venous thrombophlebitis.[62968]
Do not administer dextrose injection without electrolytes simultaneously with blood through the same infusion set because of the possibility that pseudo-agglutination of red cells may occur.
When a concentrated dextrose infusion is abruptly withdrawn, it is advisable to follow with the administration of 5% Dextrose Injection or 10% Dextrose Injection to avoid rebound hypoglycemia.
The maximum rate of infusion to avoid glycosuria is 0.5 g/kg/hour. Approximately 95% of the dextrose is retained when infused at a rate of 0.8 g/kg/hour.[57123]
 
Directions for use of flexible pharmacy bulk packages (e.g., as for parenteral nutrition admixtures)
Slight opacity of the plastic due to moisture absorption during the sterilization process may be observed in the 2,000 mL flexible pharmacy bulk packages of 50% Dextrose Injection and 70% Dextrose Injection. The opacity will gradually diminish.
During use, container must be stored, and all manipulations performed, an appropriate laminar flow hood.
When ready for compounding, insert piercing pin of transfer set into outlet port at bottom of container and suspend unit in laminar flow hood. Insertion of pin should only be performed once. Once the outlet has been entered, withdraw contents promptly and in 1 continuous operation. If this is not possible, a maximum time of 4 hours from pin placement is permitted to complete fluid transfer. Discard container no later than 4 hours after pin placement.
Compounded admixtures utilizing 2,000 mL flexible pharmacy bulk packages of 50% Dextrose Injection and 70% Dextrose Injection may be stored under refrigeration for up to 24 hours. Complete administration of admixtures within 24 hours after removal from refrigeration.[57123]

Adverse Reactions
Severe

anaphylactoid reactions / Rapid / 0-0.1
bronchospasm / Rapid / Incidence not known
angioedema / Rapid / Incidence not known
cyanosis / Early / Incidence not known
refeeding syndrome / Delayed / Incidence not known
pulmonary edema / Early / Incidence not known
aluminum toxicity / Delayed / Incidence not known
intestinal failure-associated liver disease / Delayed / Incidence not known
cholecystitis / Delayed / Incidence not known
pulmonary embolism / Delayed / Incidence not known

Moderate

hyperglycemia / Delayed / 1.0-10.0
confusion / Early / 0-1.0
dehydration / Delayed / 0-1.0
glycosuria / Early / 0-1.0
dyspnea / Early / Incidence not known
hypotension / Rapid / Incidence not known
hypophosphatemia / Delayed / Incidence not known
hypokalemia / Delayed / Incidence not known
hypomagnesemia / Delayed / Incidence not known
hyponatremia / Delayed / Incidence not known
elevated hepatic enzymes / Delayed / Incidence not known
cholelithiasis / Delayed / Incidence not known
hepatomegaly / Delayed / Incidence not known
steatosis / Delayed / Incidence not known
hepatitis / Delayed / Incidence not known
jaundice / Delayed / Incidence not known
cholestasis / Delayed / Incidence not known

Mild

rash / Early / 0-0.1
urticaria / Rapid / 0-0.1
pruritus / Rapid / 0-0.1
chills / Rapid / Incidence not known
fever / Early / Incidence not known

Common Brand Names

Advocate Glucose SOS, Dex4 Glucose, Glutol, Glutose 15, Glutose 45, Glutose 5

Dea Class

OTC, Rx

Description

Dextrose (also known as glucose) is available in many various dosage forms
Used orally or parenterally to treat hypoglycemia (e.g., diabetic patients) and orally for glucose tolerance tests
Also used parenterally as a carbohydrate source in intravenous fluids and total parenteral nutrition (TPN) and as adjunctive treatment for hyperkalemia

Dosage And Indications
For the treatment of hypoglycemia. Oral dosage Adults

15 to 20 grams glucose PO. If after 15 minutes the blood glucose is still below 70 mg/dL, ingest another 15 to 20 grams of glucose. Once blood glucose returns to normal, consume a meal or snack to prevent recurrence of hypoglycemia. If symptoms of hypoglycemia persist, contact a physician. Glucose is the preferred treatment for hypoglycemia in patients who are conscious and able to take oral replacement. Intravenous dextrose can be used in conscious or unconscious patients receiving medical care. Glucagon should be prescribed for all patients at significant risk of severe hypoglycemia.

Intravenous dosage Adults

10 to 25 g/dose (20 to 50 mL of a 50% solution) IV as a single dose to restore blood glucose concentrations. In severe cases, repeat doses may be needed. Subsequent continuous IV infusion of dextrose 10% injection may be necessary to stabilize serum glucose concentrations in some individuals.

Infants, Children, and Adolescents

0.5 to 1 g/kg/dose (5 to 10 mL/kg/dose of a 10% solution, 2 to 4 mL/kg/dose of a 25% solution, or 1 to 2 mL/kg/dose of a 50% solution; Max: 25 g/dose) IV as a single dose. Follow bolus with continuous infusion if continued therapy is indicated.

Neonates

200 mg/kg/dose of a 10% solution IV as a single dose. Follow bolus with continuous infusion if continued therapy is indicated.

Continuous Intravenous Infusion dosage Premature and Term Neonates

5 to 8 mg/kg/minute continuous IV infusion of a 10% solution, initially. Adjust dose to maintain serum glucose concentration of 40 to 50 mg/dL. If indicated, use continuous IV infusion dextrose after an initial bolus dose.

As adjunct therapy to insulin for the treatment of hyperkalemia. Intravenous dosage Adults

25 g (50 mL of 50% solution) IV over 5 minutes in conjunction with regular insulin. 100 g (1,000 mL of 10% solution) IV administered over 1 to 2 hours also may be used. Dextrose increases insulin release, aids in redistribution of potassium into the cells, and prevents hypoglycemia when given with insulin.[36934]

Infants, Children, and Adolescents

0.5 g/kg (5 mL/kg of a 10% solution) IV over 30 minutes in conjunction with regular insulin.

For nutritional supplementation in parenteral nutrition. Intravenous dosage Adults

Doses are determined on individual patient needs based on weight, age, and clinical condition. Clinical practice guidelines recommend the carbohydrate content of parenteral nutrition should not exceed 7 g/kg/day IV. A minimum of 2 g/kg/day IV is recommended for critically ill patients.

For oral glucose tolerance test (GTT) to diagnose diabetes mellitis.
The oral GTT test should not be administered if 1) the patient is ill; 2) the patient has fasted less than 10 hours or more than 16 hours, or 3) if dietary carbohydrate intake has been restricted to less than 150 grams/day for 3 days prior to testing.
The oral GTT is to be administered in the morning. The subject is to fast overnight, usually for 8 to 14 hours. No medications, caffeine, or tobacco are to be taken until the completion of the test. Water is permitted. The patient should remain seated throughout the test. The patient's medications should be screened for drugs that may cause glucose elevations.
For diagnosis of gestational diabetes using the 1-step approach. Oral dosage Adult and Adolescent Females

100 grams PO of anhydrous glucose dissolved in water (or a commercially available glucose testing drink containing similar content). The beverage should be consumed in 5 minutes or less. The maximum glucose concentration in the beverage is 25 g/100 mL. The 1-step test takes a fasting sample, followed by 3 blood samples in the 3 hours following glucose ingestion. In pregnancy, in the absence of criteria that meet the traditional diagnosis of diabetes, gestational diabetes is diagnosed when 2 or more values meet or exceed the following: Fasting: 95 mg/dL; 1 hour: 180 mg/dL; 2 hours: 155 mg/dL; and 3 hours: 140 mg/dL.

For diagnosis of gestational diabetes using the 2-step approach. Oral dosage Adult and Adolescent Females

A modified screen may be performed using 50 grams PO of anhydrous glucose dissolved in water (or a commercially available glucose testing drink containing similar content). The beverage should be consumed in 5 minutes or less. The maximum glucose concentration in the beverage is 25 grams/100 mL. A sample is taken 1 hour after the 50-grams glucose challenge; the normal response is plasma glucose less than 140 mg/dL. Perform the usual gestational 100 grams oral GTT on those patients with a plasma glucose level that exceeds this threshold value.

Oral dosage Adults, Adolescents, and Children 12 years and older

75 grams PO of anhydrous glucose dissolved in water (or a commercially available glucose testing drink containing similar content). The beverage should be consumed in 5 minutes or less. The maximum glucose concentration in the beverage is 25 grams/100 mL. Diagnostic criteria following the oral GTT are as follows: Prediabetes (impaired glucose tolerance): 2-hour plasma glucose 140 to 199 mg/dL. Diabetes: 2-hour plasma glucose 200 mg/dL or more. Per the ADA, a fasting blood glucose (FPG) is the recommended screening test for most individuals. The oral GTT may be necessary for the diagnosis of diabetes when the FPG is normal. The FPG is preferred for screenings because it is faster and easier to perform, more convenient, acceptable to patients, and less expensive.

Children less than 12 years

1.75 grams/kg (not to exceed 75 grams) PO of anhydrous glucose dissolved in water (or a commercially available glucose testing drink containing similar content). The beverage should be consumed in 5 minutes or less. The maximum glucose concentration in the beverage is 25 grams/100 mL. Diagnostic criteria are the same as for adults for 2-hour sample following the test.

Dosing Considerations
Hepatic Impairment

Specific guidelines for dosage adjustments in hepatic impairment are not available; it appears that no dosage adjustments are needed.

Renal Impairment

Specific guidelines for dosage adjustments in renal impairment are not available; it appears that no dosage adjustments are needed.

Drug Interactions

There are no drug interactions associated with Dextrose, Glucose products.

How Supplied

Advocate Glucose SOS Oral Pwd: 15g
Dex4 Glucose/Dextrose/Glucose/Glutose 15/Glutose 45/Glutose 5 Oral Gel: 15g, 24g, 40%
Dex4 Glucose/Dextrose/Glutol Oral Sol: 15g, 100g, 180mL
Dex4 Glucose/Glucose Oral Tab Chew: 4g, 15g
Dextrose Intracardiac Inj Sol: 5%
Dextrose Intravenous Inj Sol: 5%, 10%, 20%, 25%, 30%, 50%, 70%
Dextrose Intravenous Sol: 40%

Maximum Dosage

Dosage for dextrose is individualized to the patient's individual requirements.

Adults

No specific maximum dosage information is available.

Geriatric

No specific maximum dosage information is available.

Adolescents

No specific maximum dosage information is available.

Children

No specific maximum dosage information is available.

Infants

No specific maximum dosage information is available.

Neonates

No specific maximum dosage information is available.

Mechanism Of Action

Glucose is also known as dextrose. Glucose is a monosaccharide, also known as a simple sugar. As a carbohydrate, glucose supplies energy to cells, organs, and tissues. Some tissues can also use fat or protein as an energy source but others, such as the brain and red blood cells, only use glucose. Dextrose in intravenous fluids undergoes oxidation to carbon dioxide and water, and quickly provides fluid and calories. Oral glucose also works quickly (usually within 15 minutes) by raising blood glucose concentrations to alleviate symptoms of hypoglycemia.

Pharmacokinetics

Dextrose (glucose) is administered orally and intravenously. As a carbohydrate, glucose supplies energy to cells, organs, and tissues. Some tissues can also use fat or protein as an energy source but others, such as the brain and red blood cells, only use glucose. Glucose can be stored in the body as glycogen and the liver is the primary site of glycogen storage. Glycogen is mobilized from the liver and converted to glucose by gluconeogenesis when the blood glucose concentration is low. Gluconeogenesis is stimulated in response to the release of glucagon by the alpha cells of the pancreas when low blood glucose concentrations occur. Glucose may also be produced from non-carbohydrate precursors, such as pyruvate, amino acids and glycerol, by gluconeogenesis. It is gluconeogenesis that maintains blood glucose concentrations, for example during starvation or intense exercise. Cellular uptake of glucose occurs in response to insulin, and glucose is subsequently broken down through glycolysis, lowering blood sugar levels. Glycolysis is the metabolic pathway that converts glucose into pyruvate. The free energy released in this process is used to form the molecules ATP and NADH which are needed for many cellular functions/reactions.
 
Affected Cytochrome P450 (CYP) 450 enzymes and drug transporters: None

Oral Route

Orally administered glucose is absorbed rapidly via transport from the intestinal lumen, across the epithelium and into blood. Onset of action usually occurs in 15 minutes.

Pregnancy And Lactation
Pregnancy

Intravenous glucose (dextrose) should be given to a pregnant woman only if clearly needed, and doses should be individualized to the patient's needs to meet fluid and nutritional requirements. Frequent monitoring of serum glucose concentrations is required. Animal reproduction studies have not been conducted; it is not known whether dextrose can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. However, when used appropriately, there appears to be minimal risk to the clinical use of dextrose products during pregnancy when necessary. Oral glucose supplement products have not been assigned a pregnancy category by the FDA, but are not harmful when used as directed in the recommended doses to treat episodes of hypoglycemia in the conscious pregnant individual as per guideline recommendations. Oral glucose (15 to 20 grams) is the preferred treatment for the conscious patient, although any form of carbohydrate that contains glucose may be used.

Glucose and dextrose administration pose no particular risks during breast-feeding. Lactose is the major carbohydrate of human milk and is also the major osmotic constituent of human milk. Synthesis of lactose is the major determinant of the volume of milk produced by the lactating human mammary gland. Lactose is synthesized from free glucose and UDP-galactose. Thus, proper carbohydrate consumption by the mother during lactation is essential to milk production.