Venofor

Quick links to important sections

Venofor

Treatment option:

Medically reviewed

Laura Arias

Last updated on 22/12/2025

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 Venofor

Property Description
Active Ingredient Iron Sucrose (Ferric hydroxide sucrose complex)
Form Sterile Aqueous Solution for injection/infusion
Pharmacological Class Iron Replacement Product, Hematinic Agent
General Purpose Treatment of Iron Deficiency Anemia (IDA)
Origin/Type Synthetic, Polynuclear Complex

Defining the Iron Sucrose Entity: What Type of Medicine Is It?

Iron Sucrose, the official INN (International Nonproprietary Name) for the medication, is formally classified as a modern Parenteral Iron Replacement product and a Hematinic agent. This designation identifies it as a specialized, single-component medicine designed for the direct supplementation of the body's iron stores. Its role in treating iron deficiency is clinically recognized and supported by established pharmacological studies for patients unable to absorb or utilize oral iron effectively.

This medicine is administered exclusively via the Intravenous (IV) route as a Solution for injection/infusion. The active ingredient, Iron Sucrose, is a sterile aqueous complex intended for intravenous use only. The administration route differentiates it from oral forms, making it suitable for patients requiring immediate or complete iron replenishment without the absorption limitations of the digestive tract.

Composition and Formulation: What Is Iron Sucrose Made Of?

The core active component is a synthetic compound known as the Ferric hydroxide sucrose complex, which is manufactured as a polynuclear complex. This structure is a key differentiator in iron replacement therapy, as it is engineered for stability and controlled release of elemental iron (Fe) within the body. The complex is dissolved in a sterile aqueous solution where the iron complex is dissolved.

This unique formulation ensures stability and efficient delivery to the storage organs. This feature minimizes potential complications associated with uncontrolled free iron, maximizing the efficiency of the mineral's distribution for the patient.

General Purpose: What Is Iron Sucrose Used For at the Highest Level?

The primary general purpose of this Iron replacement product is to treat iron deficiency anemia (IDA) by providing rapid, targeted iron replenishment. By supplementing the necessary iron, the medication supports the critical production of hemoglobin, thereby improving the body’s overall capacity for oxygen transport support. Its use is focused on providing a substantial and reliable source of iron for patients who require swift and complete iron store restoration, such as those undergoing hemodialysis.

What side effects are possible with Venofor?

Possible Side Effects and Safety Information for Venofor

Serious Adverse Reactions and Restrictions

Venofor (Iron Sucrose Injection) carries a risk of serious hypersensitivity reactions, including anaphylactic-type reactions, which have been reported to be life-threatening and fatal. Patients may experience symptoms such as shock, clinically significant hypotension, loss of consciousness, and/or collapse. Due to this risk, the drug should only be administered when personnel and therapies are immediately available for the treatment of serious reactions. Patients must be monitored for signs of hypersensitivity during and for at least 30 minutes following administration.

Clinically significant hypotension is also a documented risk, which may be related to the rate or total dose administered.

Venofor is contraindicated in patients with a known hypersensitivity to the product, a known serious hypersensitivity to any other injectable iron product, or in patients with evidence of iron overload or anemia not caused by iron deficiency.

Common and Other Adverse Reactions

The most commonly reported adverse reactions (2%) from clinical trials in adult patients with Chronic Kidney Disease include:

  • Cardiovascular/General: Hypotension (very common), chest pain, peripheral edema, injection site reactions.
  • Musculoskeletal: Muscle cramp (very common), pain in extremity, arthralgia, back pain.
  • Gastrointestinal: Nausea, vomiting, diarrhea.
  • Nervous System: Headache, dizziness.

Less common reactions include dysgeusia (altered taste), pruritus, hypertension, and cough. Reactions related to rapid infusion, such as hypotension, headache, vomiting, and joint aches, may occur up to 30 minutes post-administration.

Population-Specific Safety Notes

Official documents advise that severe adverse maternal reactions (e.g., severe hypotension, shock) in pregnant women receiving parenteral iron products may cause fetal bradycardia, particularly during the second and third trimesters. Periodic monitoring of iron parameters (e.g., serum ferritin, transferrin saturation) is required in all patients to mitigate the risk of iatrogenic hemosiderosis (iron overload).

Venofor may also reduce the absorption of concomitantly administered oral iron preparations.

Overdose and Emergency Response

Overdosage of Iron Sucrose is primarily described in regulatory documents across two scenarios: acute reactions and chronic iron accumulation.

Documented Overdose Manifestations

Overdosage or administration that occurs too rapidly may result in acute manifestations. These regulator-documented signs and symptoms include hypotension, headache, vomiting, nausea, dizziness, dyspnoea (shortness of breath), joint aches, paresthesia, and edema. The most severe acute outcome documented is cardiovascular collapse.

Chronic Iron Accumulation Risk

Excessive cumulative therapy carries the risk of iatrogenic hemosiderosis, which is the excess accumulation of iron in storage sites. To prevent this outcome, all adult and pediatric patients are subject to periodic monitoring of iron parameters, including serum ferritin and transferrin saturation. The product must be discontinued when evidence of iron overload is present or when established serum ferritin guidelines are exceeded.

When to Seek Immediate Help

The official documentation mandates that personnel and therapies for serious reactions must be immediately available during administration. Administration must be stopped immediately if signs of intolerance or hypersensitivity occur. Urgent medical attention must be sought for serious symptoms such as collapse, trouble breathing, or if the patient cannot be awakened. Management of acute symptoms has included supportive measures such as IV fluids or antihistamines, and symptoms may be alleviated by slowing the infusion rate.

Therapeutic Uses of Venofor

What Venofor Treats: Main Uses and Benefits

The primary therapeutic role of Iron Sucrose injection is applied in addressing iron deficiency anemia (IDA), particularly in specific complex patient groups where oral iron supplementation may be ineffective or contraindicated. It is commonly used for iron deficiency anemia in situations marked by increased physiological stress. The core therapeutic benefit plays a role in managing substantial iron replenishment to support the body's iron requirements.

The medication is commonly used across conditions characterized by periods of heightened symptoms related to iron deficiency, such as anemia associated with Chronic Kidney Disease (CKD), malabsorption syndromes, and blood loss, including postpartum hemorrhage or major surgery preparation.

“It assists with maintaining functional stability when chronic inflammation or iron loss creates noticeable physiological strain where systemic imbalance affects iron levels.”

Quick Fact: Relief for Functional Strain

The treatment may assist with managing symptoms that interfere with daily functioning, contributing to easing the overall symptom load by providing a dependable source of iron when the digestive tract cannot process oral supplements.

Eligibility and Restrictions for Use

The eligibility for Venofer (iron sucrose) is strictly defined by official regulatory labeling, primarily for the treatment of iron deficiency anemia (IDA) in patients with chronic kidney disease (CKD).


Populations for Whom Use is Prohibited

Use is contraindicated and the medicine must not be administered to patients with:

  • A known hypersensitivity to iron sucrose or the product's excipients.
  • Evidence of iron overload (excess iron storage).
  • Anemia not caused by iron deficiency.

Age and Physiological Restrictions

  • Pediatric Patients: Safety and effectiveness are not established in patients younger than 2 years of age. Use is established for patients 2 years and older with CKD.
  • Pregnancy: The official status is conditional. Use during pregnancy is generally not recommended unless the potential benefit outweighs the risk to the fetus. Severe reactions in the mother may cause fetal bradycardia.
  • Lactation: The drug’s excretion into human milk is generally considered unlikely, but caution and a risk-benefit assessment are required.
  • Geriatrics: Dose selection requires caution, reflecting the greater frequency of reduced organ function often seen in older adults.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Iron Sucrose injection (Venofor) is primarily defined by its effect on oral iron preparations, which is the sole category of officially documented interaction with other medicinal products.

Interaction Restrictions

Classification Interacting Substance Restriction Detail
Prohibited Co-administration Oral iron preparations Should not be administered concomitantly.
Pharmacokinetic Outcome Oral iron preparations Reduces the absorption of the co-administered oral product.

This interaction is classified as pharmacokinetic, specifically resulting in the reduced exposure of the oral iron preparation in the body. Regulatory labeling strictly dictates that Iron Sucrose injection and oral iron preparations should not be co-administered to prevent this reduction in absorption.

Absence of Documented Interactions

Official regulatory documents note that drug-drug interaction studies involving Iron Sucrose injection have not been conducted. Consequently, the profile does not include documented interactions with:

  • Metabolic Pathways: No documented interactions involving Cytochrome P450 (CYP) enzymes.
  • Drug Transporters: No documented interactions involving P-gp, OATP, or BCRP transporters.
  • Other Substances: No documented interactions with food, alcohol, herbal products, or supplements.

Mechanism of Action

Controlled Delivery to the Iron Transport System

The Iron Sucrose complex is specifically processed by macrophages within the Reticuloendothelial System (RES). This cellular uptake and breakdown mechanism ensures the controlled, gradual release of iron ( Fe^3+) into the plasma. This managed release is critical for immediately binding the iron to Transferrin (Tf), the body’s dedicated transport protein, thereby safely entering the systemic Iron Homeostasis cycle and preventing the appearance of unbound iron in the plasma.

Support for Hemoglobin Synthesis and Erythropoiesis

The iron-bound Transferrin is swiftly directed to the bone marrow, where it docks onto the Transferrin Receptor (TfR) of erythroid precursor cells. This targeted delivery efficiently supplies the essential mineral required for the final stages of Hemoglobin synthesis, the critical protein within red blood cells. By supporting the production of fully functional Hemoglobin, the mechanism contributes to an increase in the Oxygen Transport Capacity of the blood.

Constraint by Physiological Feedback (Hepcidin)

The drug's mechanism operates under the influence of systemic Hepcidin levels, a hormone that regulates iron export. Elevated Hepcidin, typically associated with inflammation, can functionally constrain the process by trapping iron within macrophages and limiting its release to Transferrin. This interaction influences the availability of iron for Erythropoiesis, defining a physiological constraint on the mechanism.

Dosage and Administration Information

How to Use Venofor

Venofor (Iron Sucrose Injection) is administered exclusively via the intravenous (IV) route, delivered either as a slow injection or a drip infusion. The medicine is intended solely for administration by a trained healthcare professional, differentiating its use from oral medications.


Standard Administration and Dosing

The standard initial treatment course is designed to deliver a cumulative total of 1000 mg of elemental iron, administered in divided doses. The specific regimen is determined by the patient’s clinical condition, particularly the type of Chronic Kidney Disease (CKD).

Patient Group Dose Per Session Administration Frequency
Hemodialysis-Dependent CKD 100 mg elemental iron Per consecutive dialysis session
Non-Dialysis-Dependent CKD 200 mg elemental iron On five separate occasions over a 14-day period

Preparation and Procedural Rules

The solution must be handled according to specific, official instructions. The medicine must be diluted only in sterile 0.9% Sodium Chloride Injection to maintain a final concentration between 1 to 2 mg elemental iron per mL. The solution must not be mixed with any other medications.

The administration rate is precisely controlled: a 100 mg dose must be infused over at least 15 minutes, while a 200 mg dose requires a minimum of 30 minutes. The full treatment course may be repeated if the underlying iron deficiency reoccurs.


Age-Specific Rules

For pediatric patients (aged two years and older) with CKD, a maintenance dose of 0.5 mg/kg (not to exceed 100 mg) is used. This maintenance regimen is typically administered on a structured schedule over a 12-week period.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Iron Sucrose

Evidence for Iron Deficiency Anemia in Chronic Kidney Disease (CKD)

A large body of research for Iron Sucrose has evaluated its use for iron deficiency anemia (IDA) in patients with chronic kidney disease. This evidence includes large-scale, controlled clinical trials (RCTs) and systematic reviews, examining adult patients both receiving regular hemodialysis and those who were not yet dialysis-dependent.

The research primarily monitored hematological biomarkers, such as how Hemoglobin, Serum Ferritin, and Transferrin Saturation (TSAT) changed during the study period. Studies reported measurements showing observed increases in iron biomarkers and Hemoglobin levels in the CKD populations examined. Certain trials reported patterns related to changes in the required dosage of erythropoiesis-stimulating agents (ESAs).

Evidence for Iron Deficiency Anemia in the Postpartum Period

Research has explored the role of Iron Sucrose in addressing IDA in women in the immediate postpartum period, often following blood loss. These studies were primarily short-term controlled trials that compared the administration of Iron Sucrose to oral iron supplementation.

Studies generally reported measurements showing differences in the rate of change in Hemoglobin and the restoration of iron stores when Iron Sucrose was compared to the effects measured in the groups receiving oral iron. Findings were also observed regarding patterns of lower blood transfusion rates in women with more severe anemia who received the intravenous iron compared to oral treatment. The evidence is derived from studies with limited follow-up durations, primarily focusing on the initial recovery period.

Key Evidence Gaps and Areas of Research Uncertainty

Comparative evidence is lacking for certain scenarios, particularly in head-to-head trials against all other available intravenous iron preparations. Furthermore, while the short-term patterns in Hemoglobin and iron stores were observed, the long-term effects are not fully established regarding the maintenance of iron status and chronic outcomes, particularly outside of the large CKD populations. The results apply only to the populations studied in the official research.

Key Studies & References

  1. Meta-analysis: Intravenous iron for treating iron deficiency anemia in women in the postpartum period

Frequently Asked Questions (FAQ)

Common questions about Venofor (FAQ)

Q: How quickly can someone expect to feel a change after starting Venofor?

A: Regulatory documents describe that the treatment is intended to increase iron levels and Hemoglobin concentration, which are measured objectively over the course of the treatment period. Official information does not typically provide a description of the time it takes for a patient to feel a subjective change or improvement.

Q: Can Venofor be taken with over-the-counter pain relievers like ibuprofen?

A: Official labeling states that formal drug-drug interaction studies involving Venofor have not been conducted. Therefore, there is no documented interaction profile with common over-the-counter pain relievers. Patients are generally advised to inform their healthcare providers about all medicines being taken.

Q: What is the difference between Venofor and other similar medications in terms of how they are described?

A: Official documents classify Venofor as a parenteral iron replacement product and a Hematinic agent. Its purpose is to supply iron directly to the body. Research evidence themes mentioned in official documents often compare it to oral iron supplementation, rather than providing head-to-head comparisons against all other types of intravenous iron products.

Q: What research evidence themes exist about Venofor's use in younger adults?

A: Official information indicates that research evidence themes are established for pediatric patients aged 2 years and older who have Chronic Kidney Disease (CKD). Studies in this population monitored the effects of Venofor on iron parameters and on the required dosage of erythropoiesis-stimulating agents (ESAs).

Q: What makes Venofor different from a regular anti-inflammatory drug?

A: The official classification describes Venofor as an Iron Replacement Product whose purpose is to supply iron for the creation of Hemoglobin (the oxygen-carrying protein in red blood cells), which is a function distinct from reducing inflammation.

Q: What are the official recommendations regarding Venofor use during pregnancy?

A: Use of Venofor during pregnancy is generally not recommended unless the potential benefit justifies the potential risk to the fetus. Official documents note that severe reactions in the mother (such as severe hypotension) may potentially cause fetal bradycardia (a slowed fetal heart rate).

Q: What are the official descriptions for how Venofor should be stopped or discontinued?

A: The official description of Venofor defines a full treatment course that aims to deliver a specific cumulative iron dose. Once this course is completed, the initial regimen ends. Regulatory documents state that the course may be repeated if the underlying iron deficiency reoccurs.

Q: If a person has multiple medical conditions, how is the use of Venofor typically described in official documents?

A: The eligibility for Venofor is strictly defined by the presence of iron deficiency anemia in the CKD population. Official documents advise that dose selection for older patients may require caution due to the possibility of reduced organ function, but do not provide general guidance on all other medical conditions.

Q: Can Venofor be used by people with controlled high blood pressure?

A: Hypertension (high blood pressure) is listed as a less common adverse reaction in official safety documents. However, Venofor is associated with a risk of clinically significant hypotension (low blood pressure). The regulatory label does not include a specific restriction on use based on having controlled high blood pressure.

Q: What should be done if Venofor doesn't seem to be working?

A: Official documents require periodic monitoring of iron parameters (such as ferritin levels) to assess the drug’s effect. If the underlying iron deficiency reoccurs, regulatory documents indicate that the initial treatment course may be repeated.

Q: What does official guidance say about driving or operating machinery while taking Venofor?

A: Common adverse reactions listed include headache and dizziness. Regulatory documents state that caution is often described for patients who experience side effects, such as dizziness or headache, that may affect the ability to drive or operate machinery.

Q: How is the interaction with herbal supplements described in official documents?

A: Official regulatory documents state that there are no documented interactions with herbal products or supplements. This means formal interaction studies in this area have not yielded official warnings.

Q: Do older adults typically have different experiences with Venofor?

A: Official documents note that older adults may experience a greater frequency of reduced organ function. Due to this potential physiological difference, caution in dose selection is noted as necessary. However, the documents do not describe other typical different experiences or unique side effects for this population.

Q: Can Venofor affect the results of routine blood tests?

A: Yes, official labeling requires periodic monitoring of specific iron parameters (such as serum ferritin and Transferrin Saturation). The drug is intended to directly increase the concentration of these specific markers in the blood.

Q: Is it normal to experience mild stomach upset when first taking Venofor?

A: Common adverse reactions (ge 2%) reported from clinical trials include nausea and vomiting, which are forms of stomach upset. These types of reactions were most often reported shortly after administration.

Q: How does a person know if their condition is appropriate for treatment with Venofor?

A: Official documentation strictly defines the indications for use. The condition must be iron deficiency anemia (IDA), and the patient must have chronic kidney disease (CKD). Contraindications also prohibit the use of Venofor for anemia not caused by iron deficiency.

Q: Are there any long-term research studies published about Venofor?

A: Official regulatory documents describe several controlled clinical trials, primarily short-term studies. The documents also note that the long-term effects are not fully established regarding the maintenance of iron status and chronic outcomes outside of the studied populations.

Q: Is Venofor intended to be a permanent treatment?

A: The official product description defines a limited-duration treatment course designed to replenish iron stores. The course is not defined as an indefinite regimen, but it may be repeated if the underlying iron deficiency reoccurs.

Q: Are there official descriptions of how Venofor's effects wear off?

A: The drug's mechanism is described as a controlled, gradual release of iron into the plasma, where it binds to the transport protein Transferrin. However, official documents do not typically describe the subjective patient perception of the effects wearing off over time.

How should Venofor be stored and disposed of?

How to Store and Dispose of Venofer (Iron Sucrose)

Official regulatory labeling dictates precise conditions for the storage, stability, and disposal of Venofer injection.

Storage Requirements

Condition Regulatory Requirement
Temperature Store at Controlled Room Temperature (20 C to 25 C).
Prohibitions Do not freeze and do not store above 25 C.
Packaging Store in the original package and keep out of the sight and reach of children.

Stability and Disposal

Use Immediately: The medicine must be used immediately after the original container is opened or after dilution with sterile 0.9% sodium chloride solution. This rule is essential due to the lack of preservatives in the formulation.

Disposal: The product is for single use only. Any unused portions must be discarded. Disposal of unused medicinal product and waste material must be carried out in accordance with local regulatory requirements.

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

Equivalent of Venofor found in:

A-Z Index: