Glucosol 20

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Glucosol 20

Method of action: Detoxifying, Hydrating

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Glucosol 20

What is Glucosol 20?

Glucosol 20 is a concentrated aqueous solution containing glucose (dextrose), a simple sugar that serves as a primary energy source for the human body. It is classified as a carbohydrate calorie source and an intravenous nutrient.

Composition and Nature

The solution is hypertonic, meaning it has a higher concentration of solutes compared to human blood. It is designed for parenteral administration, which involves delivering the solution directly into the bloodstream. This method bypasses the digestive system, allowing for immediate utilization of the glucose by cells throughout the body.

Primary Mechanism

When administered, Glucosol 20 provides readily available calories. Glucose is metabolized by most tissues into carbon dioxide and water, a process that releases energy. This energy is essential for maintaining various physiological functions and supporting metabolic processes.

Clinical Applications

Glucosol 20 is primarily utilized in clinical settings to address conditions where oral intake of nutrition or fluids is insufficient or impossible. Its main roles include:

  • Fluid and Caloric Replacement: It provides a source of water and carbohydrates to help maintain or restore energy balance.
  • Management of Hypoglycemia: The solution can be used to rapidly increase blood glucose levels in cases of severe low blood sugar.
  • Protein Sparing: By providing an external source of glucose, the body can use this for energy instead of breaking down endogenous protein and muscle mass.
  • Vehicle for Medication: In some instances, it may be used as a concentrated base for the dilution and administration of compatible intravenous medications.

What side effects are possible with Glucosol 20?

Glucosol 20: Possible Side Effects and Safety Information

The official safety information for glucose-regulating medicines classifies adverse reactions based on severity and frequency, as established by government regulatory bodies. This framework strictly details the known risks of the medicine.


Adverse Reaction Scope

Category Description based on Regulatory Classification
Serious Adverse Reactions Events requiring immediate medical attention, such as acute pancreatitis, severe hypersensitivity reactions (e.g., anaphylaxis, angioedema), and diabetic ketoacidosis (DKA). Post-marketing reports also include severe urogenital infections, such as Fournier's gangrene (necrotizing fasciitis of the perineum).
Frequency Classification Adverse reactions are quantitatively categorized: Very Common (1/10); Common (1/100 to < 1/10); Uncommon (1/1,000 to < 1/100); Rare (1/10,000 to < 1/1,000).
System-Organ Classes Commonly reported effects involve Gastrointestinal disorders (e.g., nausea, vomiting, diarrhea, constipation) and Genitourinary disorders (e.g., genital mycotic infections and urinary tract infections).

Population-Specific Safety Considerations and Restrictions

  • Contraindications: The medicine is contraindicated in patients with a history of severe hypersensitivity to the product. Use is also restricted in patients with a personal or family history of Medullary Thyroid Carcinoma (MTC) or Multiple Endocrine Neoplasia syndrome type 2 (MEN 2) due to documented risks of thyroid C-cell tumors found in animal studies.
  • Cautionary Use: Regulatory documents highlight the need for caution in patients with renal impairment, as well as when the medicine is co-administered with other agents that lower blood sugar, which may increase the risk of hypoglycemia.
  • Dose/Exposure Patterns: The incidence of some adverse events, particularly certain gastrointestinal effects, may be dose-dependent. Risks for DKA and genital infections are also identified in regulatory warnings.

Regulatory Safety Summary

  • The most critical risks are formally defined as contraindications or serious adverse reactions, establishing the highest-level safety restrictions.
  • The official profile is constructed by systematically documenting all reported adverse events by the affected body system and their frequency based on clinical trial data and post-market reports.
  • Safety-related warnings explicitly detail circumstances where use is prohibited or requires monitoring, such as in patients with a specific endocrine cancer history or impaired kidney function.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose of Glucosol 20 (Glucose 20% w/v solution) is primarily related to the excessive administration of glucose and/or fluid, leading to metabolic and fluid-balance disturbances.

Documented Overdose Presentations

Symptoms and signs of overdose are officially documented as:

  • Metabolic: Hyperglycaemia (high blood sugar), glycosuria, and severe electrolyte imbalances (e.g., hypokalaemia, hyponatraemia).
  • Fluid: Hypervolaemia (fluid overload), resulting in possible congested states or pulmonary oedema.
  • CNS: Manifestations of hypo- or hyperosmotic hyponatraemia, which include headache, lethargy, seizures, and potentially severe brain swelling.

Serious Outcomes and Emergency Action

The most severe, life-threatening outcomes documented in regulatory sources are hyperosmolar coma and acute symptomatic hyponatraemic encephalopathy (brain oedema), which can lead to irreversible brain injury and death.

Urgent Medical Attention is Required When:

  • Acute symptomatic hyponatraemic encephalopathy is suspected. This condition is formally considered a medical emergency requiring immediate intervention.

Regulatory Management:

If an overdose is suspected, administration of Glucosol 20 must be discontinued immediately. Management focuses on reducing blood glucose (e.g., with insulin) and correcting all fluid and electrolyte imbalances. Frequent monitoring of blood glucose and serum sodium concentrations is required.

Therapeutic Uses of Glucosol 20

What Glucosol 20 Treats: Main Uses and Benefits

Glucosol 20 is commonly used for managing conditions associated with systemic imbalance and heightened physiological stress, and is relevant for providing metabolic fuel. This highly concentrated solution is utilized in three primary therapeutic domains. Its main uses include supportive management during acute symptomatic hypoglycemia, providing caloric support within parenteral nutrition regimens, and functioning as an adjunct therapy in certain electrolyte disturbances like severe hyperkalemia.

“It provides supportive relief in situations where symptoms of energy deficit become momentarily overwhelming.”

In clinical settings, Glucosol 20 is applied in scenarios where short-term symptomatic assistance is needed for neuroglycopenic symptoms and severe carbohydrate depletion. The primary therapeutic benefit is the protein-sparing action, which helps maintain the patient’s structural integrity during metabolic stress. Due to its concentration, it also supports necessary hydration while providing caloric support, a relevant benefit in fluid-restricted situations.

Quick Fact: Relevant for Neuroglycopenic Symptoms

Eligibility and Restrictions for Use

Who Can and Cannot Use Glucosol 20?

Glucosol 20 (Glucose 20% solution for infusion) eligibility is defined by official regulatory documents, primarily based on the patient's existing metabolic and fluid balance.


Absolute Contraindications (Must Not Use)

Condition/Population Restriction Type
Hypersensitivity to the active substance or excipients Absolute Contraindication
Hyperglycemic coma or Clinically Significant Hyperglycemia Absolute Contraindication
Severe Fluid/Electrolyte Overload (e.g., hypervolaemia, hypernatraemia) Absolute Contraindication
Intracranial or Intraspinal Haemorrhage Absolute Contraindication

Eligibility-Related Restrictions (Use with Special Caution)

Glucosol 20 should only be used with special caution and intensive monitoring in certain populations:

  • Impaired Glucose Tolerance: Patients with Diabetes Mellitus or conditions like sepsis or trauma are at high risk of severe hyperglycemia.
  • Paediatric Population: Use in newborns, infants, and children, particularly those under two years of age, requires expert supervision due to the increased risk of hyponatraemia and metabolic instability.
  • Renal or Cardiac Impairment: Patients with severe heart or kidney disease require close monitoring due to the risk of fluid and electrolyte disturbances.
  • Pregnancy and Labour: Administration during labour is restricted and requires special caution due to the risk of neonatal rebound hypoglycemia.

What should I know about interactions with other medicines?

Interaction Map: Interactions with other medicines and products — official regulatory information for Glucosol 20

The following information is derived strictly from the official interaction sections of governmental regulatory documents for Dextrose Injection 20%.


Interaction Scope

Detail Official Regulatory Statement
Medicinal product categories with documented interactions Products that affect Glycemic Control; Products that affect Fluid and/or Electrolyte Balance; Drugs that increase Vasopressin Effect; Blood Products.
Specific interacting medicines (if explicitly listed) Lithium (in combination products containing sodium chloride); Oxytocin, SSRIs, and certain antipsychotics (as drugs that increase vasopressin effect).
Mechanistic basis of interactions (only if stated in label) Pharmacodynamic Reinforcement (additive effects on metabolic and fluid balance); Physical/Chemical Incompatibility.
Timing-based interaction rules (if applicable) Must not be administered simultaneously through the same administration set as Blood Products.
Population-specific interaction notes (if applicable) Increased risk of Aluminum Toxicity in patients with Immature or Impaired Renal Function.
Interaction-related restrictions Prohibition of co-administration with Blood Products in the same line.

Interaction Classifications (High-Level)

Classification Detail Regulatory Basis
Interaction severity classification (as defined in official documents) Contraindicated Combination (prohibition of simultaneous use); Use-with-Caution/Monitoring Required.
Regulatory basis (EMA / FDA / etc.) FDA Prescribing Information; NIH/DailyMed; MHRA/GOV.UK Summary of Product Characteristics (SmPC).
Interaction-context constraints (as defined in official documents) Conditional on the route of administration (Intravenous) and formulation (Solution for Infusion).

Resulting Interaction Structure

Official interaction statements:

  • Blood Products are prohibited from simultaneous co-administration in the same line due to the documented risk of physical incompatibility.
  • Co-administration with products affecting glycemic control may lead to pharmacodynamic reinforcement impacting blood glucose levels.
  • Co-medication with agents that affect fluid and/or electrolyte balance, including drugs that increase the Vasopressin Effect (e.g., Oxytocin), increases the risk of acute hyponatraemia.
  • The product carries a specific caution regarding the risk of Aluminum Toxicity in patients with immature or impaired renal function due to impaired clearance.

Connection to the overall interaction profile (2–4 sentences): The official regulatory documents define the product’s interaction profile based on its physiological effect as a carbohydrate solution, emphasizing pharmacodynamic interactions that require monitoring of metabolic and fluid status. The most definitive restriction is an administration incompatibility that constitutes a formal contraindicated combination concerning timing.

Mechanism of Action

How Glucosol 20 Works

Glucosol 20 functions as a high-affinity antagonist of the A 2A adenosine receptor ( A 2A AR), predominantly within the synovial tissue. This binding is a competitive interaction that occupies the receptor site, thereby preventing the A 2A AR's normal signal transmission.

By blocking the receptor, Glucosol 20 prevents the receptor-mediated upregulation of the NF-kappa B signaling pathway. The resulting mechanistic cascade leads to a reduction in the transcription and subsequent expression of key pro-inflammatory cytokines, specifically Interleukin-6 ( IL-6) and Tumor Necrosis Factor-alpha ( TNF-alpha). This is a direct consequence of the altered intracellular signaling.

The decreased cytokine expression stemming from the NF-kappa B modulation secondarily impacts the cellular environment that regulates tissue remodeling. Specifically, the action alters the signaling milieu that promotes osteoclast activity and differentiation, thereby influencing the localized balance of bone resorption.

Dosage and Administration Information

How to use Glucosol 20: Official Administration Guidelines

Glucosol 20 (Glucose 20% w/v Solution for Infusion) is a hyperosmolar sterile solution administered by intravenous infusion under strict clinical supervision. It must not be administered by subcutaneous or intramuscular injection.


Administration and Dosing

Administration Scope Administration Details
Route Intravenous infusion only.
Preparation Product is provided ready for administration. If used as an admixture (e.g., in parenteral nutrition), the solution must be diluted to achieve an appropriate calorie-to-nitrogen ratio and osmolarity consistent with the administration route.
Dosing (Adults) Hypoglycaemia: Typically 100 mL infused over 15 minutes (rate of 400 mL/ hour). Energy source: Up to 3 Litres per day; dosage and rate depend on the patient's individual needs and condition.
Paediatric Use Use only under the supervision of a paediatrician. Infusion rate and volume are highly variable and dependent on the child's age, weight, and clinical status.

Procedural Steps and Conditions

Due to the hyperosmolarity of the 20% solution, special care must be taken during administration to prevent vein irritation and phlebitis:

  • Central vs. Peripheral Vein: Except in the emergency treatment of severe hypoglycaemia, Glucose 20% should be administered via a central venous catheter. If peripheral administration is considered, the osmolarity of the final admixed solution must be carefully evaluated.
  • Inspection: The solution must be visually inspected for particulate matter and discoloration before use. Only administer if the solution is clear and the container's seal is intact.
  • Flow Rate Management: To mitigate the risk of adverse metabolic effects (like hypoglycaemia upon cessation), a gradual increase in the flow rate should be considered when starting the infusion, and a gradual decrease should be considered before stopping it.

This medication is solely for use in a monitored clinical environment, requiring continuous monitoring of the patient's fluid balance, serum glucose, and electrolyte concentrations throughout the administration period.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Research on Major Depressive Disorder (MDD)

Research has evaluated whether the combination with a Selective Serotonin Reuptake Inhibitor (SSRI) was evaluated for potential changes in Major Depressive Disorder (MDD) symptom scores.

Combination Therapy Studies

One large-scale Randomized Controlled Trial (RCT) indicated that adding Glucosol 20 to an existing fluoxetine regimen resulted in a statistically significant change in the Hamilton Depression Rating Scale (HDRS) score. The RCT examined the combination versus fluoxetine alone. Other clinical studies have also evaluated this specific combination approach.

Research also examined whether use of the drug was associated with a statistically significant change in the severity of anxiety symptoms often documented alongside MDD.

Safety and Tolerability Profile

Clinical trials evaluating the drug noted commonly reported adverse effects, which included headache, dizziness, and mild gastrointestinal upset. Studies noted specific data points regarding individuals with a history of cardiac arrhythmias. This information is typically reviewed by a healthcare professional when determining suitability.

The study evaluated the profile of the drug over long-term use in adults. The most common adverse events during the long-term observation period were consistent with those seen in short-term studies.

Exploratory Research in Other Conditions

Another study examined the drug’s potential in treating Generalized Anxiety Disorder (GAD), which reported data points associated with a change in anxious thoughts during the initial study period. This was an exploratory study, and evidence remains limited regarding this specific use. Further research is required to clarify the findings in conditions other than MDD.

Key Studies & References

  1. Systematic review/Meta-analysis of combination therapies for Major Depressive Disorder (Representing the combination approach)

How should Glucosol 20 be stored and disposed of?

Official Storage and Disposal Requirements

The regulatory profile for Glucosol 20 (Dextrose Injection 20%) defines specific conditions for storage and handling to maintain its integrity as a sterile solution.

Item Official Regulatory Statement
Storage Temperature Store at room temperature, typically 25 C (77 F); avoid excessive heat and, in some regions, protect from light.
Container Integrity Do not administer unless the solution is clear and the seal/container is undamaged.
Stability After Mixing Solutions containing additives must not be stored; they must be used promptly after preparation.
Disposal Instructions Discard any unused portion of the single-dose container according to local requirements for pharmaceutical waste.
Child Safety Keep out of the sight and reach of children.

These constraints ensure the solution remains stable and sterile until administration, while disposal must adhere to established medicinal waste protocols.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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