What Is Venofer? Iron Sucrose IV for Iron Deficiency
Venofer is the brand name for iron sucrose, an intravenous (IV) iron medicine used to treat iron deficiency anemia in people with chronic kidney disease. A healthcare professional gives it through a vein when iron replacement is needed.
Doctors also prescribe iron sucrose for other types of iron deficiency anemia when oral iron is not effective or cannot be tolerated. Those uses are outside its FDA-approved indication, so the clinician must assess your specific needs.
This guide explains what Venofer contains, how it works, how long treatment takes, and the safety differences between IV iron options.
Key Takeaways
- Venofer is iron sucrose. The FDA-approved indication is iron deficiency anemia in people with chronic kidney disease (CKD).
- It is not the same as an iron tablet. It delivers iron through a vein, bypassing the digestive tract.
- The dose depends on your condition. For adults with CKD who are not on dialysis, the labeled course is five 200 mg doses over 14 days.
- A 200 mg dose may take 2 to 5 minutes by slow injection or about 15 minutes by infusion. Staff monitor patients for at least 30 minutes after every dose and until they are clinically stable.
- Allergic reactions and low blood pressure are important risks. Treatment requires trained staff and immediate access to emergency care.
- The FDA approved the first generic versions of Venofer (iron sucrose) in August 2025. Venofer remains the brand-name product.
Understanding Venofer and Iron Sucrose
Venofer is the brand name; iron sucrose is its active ingredient. American Regent markets Venofer in the United States, where it was first approved in 2000.
The FDA approved the first generic iron sucrose products in August 2025. Patients may therefore receive the brand or an approved generic, depending on the provider and pharmacy supply.
What is Venofer made of?
Venofer contains an iron sucrose complex in a sterile liquid for IV use. Each milliliter provides 20 mg of elemental iron, and the product does not contain human blood.
How does Venofer work?
Iron delivered through a vein is processed and used to make hemoglobin, the protein that lets red blood cells carry oxygen. It can also help restore the body's iron stores.
Because IV iron bypasses the gut, a clinician may consider it when oral iron isn't absorbed or causes severe side effects. It does not treat anemia caused only by low vitamin B12 or folate.
Why Might a Doctor Choose Venofer?
The FDA approves Venofer for iron deficiency anemia in patients with CKD, including people receiving dialysis. Doctors may also consider it off-label for other causes of confirmed iron deficiency anemia.
A physician may prefer Venofer when:
- Oral iron has not worked or causes troublesome side effects.
- An existing digestive condition limits iron absorption.
- The patient needs IV iron and a clinician prefers a divided-dose regimen.
- The patient's medical history makes the choice of IV iron formulation important.
What about Venofer during pregnancy?
Published studies of iron sucrose use after the first trimester have not identified a clear treatment-related risk of serious harm to a pregnancy, according to the prescribing information. Data from the first trimester remain insufficient.
Severe maternal reactions can affect the baby's heart rate. Your obstetrician should decide whether IV iron is appropriate and arrange suitable monitoring.
Does Venofer Cause Low Phosphate?
Venofer can lower phosphate, but studies generally show a lower risk of hypophosphatemia with iron sucrose than with ferric carboxymaltose (Injectafer). Hypophosphatemia means an abnormally low blood phosphate level.
A 2020 review reported a broad range of rates across studies: 0% to 40% with iron sucrose and 0% to 92.1% with ferric carboxymaltose. Those ranges reflect different patient groups and testing methods, so they are not an individual patient's risk.
The FDA added a boxed warning about symptomatic hypophosphatemia to Injectafer labeling in 2026. Your clinician weighs phosphate risk alongside dosing convenience and other health factors when choosing a product.
How Does Venofer Dosing Work?
There is no single Venofer schedule for every patient. The FDA-labeled regimen depends on the type of kidney disease and whether a person receives dialysis.
| Adult CKD group | FDA-labeled regimen | Total course |
|---|---|---|
| Not on dialysis | 200 mg on five occasions over 14 days | 1,000 mg |
| Receiving hemodialysis | 100 mg during 10 consecutive dialysis sessions | 1,000 mg |
| Receiving peritoneal dialysis | Two 300 mg infusions followed by one 400 mg infusion, on the labeled schedule | 1,000 mg |
For patients treated off-label for iron deficiency without CKD, the clinician determines the dose and schedule based on lab results and the clinical situation.
How long does a Venofer infusion take?
For the labeled 200 mg regimen in adults with CKD not on dialysis, Venofer may be given over 2 to 5 minutes as a slow IV injection or over about 15 minutes as an infusion. After either method, the patient needs observation for at least 30 minutes and until clinically stable.
Appointment length also includes preparation, IV placement, and any additional assessment. Ask your provider how much total time to allow rather than assuming every appointment lasts exactly 30 minutes.
For more detail, see how many Venofer infusions you may need.
What to Expect During a Venofer Infusion at Drip Gym
Drip Gym reviews recent bloodwork before treatment. A licensed registered nurse administers the infusion and monitors the patient; the physician reviews eligibility rather than necessarily attending the home appointment.
During a typical visit:
Your recent complete blood count and iron studies are reviewed.
A licensed nurse checks your history and places the IV line.
The nurse administers the prescribed iron sucrose and checks for reactions.
You remain under observation for at least 30 minutes after the dose.
The team explains symptoms that require urgent medical attention.
Tell the nurse promptly if the IV site burns or becomes painful, or if you feel faint, itchy, short of breath, or unwell. Treatment may need to be stopped and assessed.
Where can I get Venofer at Drip Gym?
Drip Gym lists clinic appointments in Jackson Heights, Queens, and Great Neck, Long Island. It also advertises at-home IV iron services, with availability depending on your location and medical eligibility.
Published self-pay pricing is $400 per clinic session and $699 per at-home session. Confirm current pricing, treatment eligibility, and local availability before booking.
Learn more about Drip Gym IV iron therapy.
Side Effects and Safety Considerations
Venofer can cause side effects, and even someone who previously tolerated IV iron can have a reaction. The prescribing information lists nausea, diarrhea, vomiting, headache, dizziness, itching, injection-site reactions, and low blood pressure among common reactions in adults.
Taste changes can also occur. Tell your nurse about unusual symptoms rather than assuming they are harmless.
Serious allergic reactions, including anaphylaxis, are possible. This is why Venofer should only be given where trained personnel and emergency treatment are immediately available, with at least 30 minutes of observation afterward.
Get emergency help for breathing difficulty, swelling of the face or throat, fainting, or severe chest symptoms after leaving the clinic.
Who should not receive Venofer?
The prescribing information lists known hypersensitivity to Venofer as the formal contraindication. It also warns clinicians not to administer it to patients with iron overload.
Venofer is not a treatment for anemia unrelated to iron deficiency. Tell your provider about previous IV iron reactions, other iron products, low blood pressure, and any relevant health conditions.
Venofer vs. Injectafer vs. Monoferric
The best IV iron depends on your diagnosis, dose needs, past reactions, and other health risks. A shorter treatment course does not automatically make one product better for everyone.
| Feature | Venofer | Injectafer | Monoferric |
|---|---|---|---|
| Active ingredient | Iron sucrose | Ferric carboxymaltose | Ferric derisomaltose |
| Typical course pattern | Multiple smaller doses | Often one or two doses | Often a single dose |
| FDA approval in the U.S. | 2000 | 2013 | 2020 |
| Key consideration | More visits; lower phosphate risk in comparative literature than Injectafer | Fewer visits; FDA boxed warning for symptomatic hypophosphatemia | Fewer visits; phosphate risk generally lower than Injectafer in studied groups |
In two randomized trials published in JAMA in 2020, hypophosphatemia occurred in 75.0% and 73.7% of participants receiving ferric carboxymaltose, compared with 7.9% and 8.1% receiving ferric derisomaltose. Those studies did not compare either group directly with Venofer.
A separate 2020 review found lower phosphate-risk estimates with iron sucrose than with ferric carboxymaltose, but cross-study figures should not be presented as head-to-head trial results. Your prescribing clinician should make the final choice.
For a more detailed comparison, see Injectafer vs Venofer vs Monoferric.
Is Venofer Right for Your Iron Deficiency?
Venofer may be an option for confirmed iron deficiency anemia when an IV iron formulation is appropriate, but your physician must decide whether it is right for you. Its FDA-approved use is for patients with chronic kidney disease.
Before your appointment, prepare your recent bloodwork and a list of medicines or supplements you take. Ask whether oral iron, an iron sucrose course, or another IV iron formulation better matches your needs.
If you are considering treatment in Queens, Long Island or at home, Drip Gym can review your lab results and discuss availability through its iron therapy service.
Frequently Asked Questions
Is iron sucrose the same as Venofer?
Venofer is a brand of iron sucrose injection. The first FDA-approved generic iron sucrose versions were approved in August 2025, so the name on your vial may differ.
How many Venofer sessions will I need?
For adults with CKD who are not on dialysis, the labeled course is five doses of 200 mg over 14 days. Other dosing schedules, including off-label treatment, depend on the physician's assessment.
How long does a Venofer appointment take?
A 200 mg dose can take 2 to 5 minutes by slow injection or around 15 minutes by infusion under the labeled non-dialysis CKD regimen. Add at least 30 minutes of observation, plus preparation and any other clinical checks.
Is Venofer safer than Injectafer?
No IV iron medicine is risk-free. Iron sucrose generally has a lower documented risk of hypophosphatemia than Injectafer, but your physician must consider allergic reactions, dosing needs, and other clinical factors.
Does Venofer cause a metallic taste?
It can cause an altered taste during treatment. Tell the nurse if you experience this or any other unexpected symptom.
Is Venofer a chemotherapy drug?
No. Venofer is an iron replacement medicine, not a chemotherapy drug.
Is Venofer a blood product?
No. Venofer is an iron sucrose solution and contains no human blood.
Can Venofer be given during pregnancy?
Doctors sometimes use iron sucrose after the first trimester when medically necessary. Pregnancy treatment requires an obstetrician's assessment because serious maternal reactions may affect the baby.
What should I tell my provider before Venofer?
Mention any past IV iron reaction, known iron overload, low blood pressure, pregnancy and all medicines or supplements you take. Bring recent blood tests so the team can assess the cause of your anemia.
Can I get Venofer without going to a hospital?
Depending on medical eligibility and location, trained personnel can administer IV iron in an outpatient clinic or at home, with appropriate monitoring. Drip Gym advertises both clinic and at-home appointments.
Sources and Medical References
1. Venofer (iron sucrose injection) prescribing information. DailyMed. Revised March 2026. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=626dc9e5-c6b4-4f9c-9bf4-774fd3ae619a
2. FDA. First generic drug approvals for 2025: Iron Sucrose Injection. https://www.fda.gov/drugs/drug-and-biologic-approval-and-ind-activity-reports/2025-first-generic-drug-approvals
3. Glaspy JA, et al. Hypophosphatemia Associated with Intravenous Iron Therapies for Iron Deficiency Anemia: A Systematic Literature Review. Ther Clin Risk Manag. 2020;16:245-259. https://pubmed.ncbi.nlm.nih.gov/32308402/
4. Wolf M, et al. Effects of Iron Isomaltoside vs Ferric Carboxymaltose on Hypophosphatemia in Iron-Deficiency Anemia: Two Randomized Clinical Trials. JAMA. 2020;323(5):432-443. https://pubmed.ncbi.nlm.nih.gov/32016310/
5. FDA Drug Safety Communication. Boxed warning for Injectafer and symptomatic hypophosphatemia. September 1, 2026. https://www.fda.gov/drugs/drug-safety-communications/fda-adds-boxed-warning-labeling-ferric-carboxymaltose-injection-injectafer-describe-risk-low
6. Macdougall IC, et al. Iron Sucrose: A Wealth of Experience in Treating Iron Deficiency. Adv Ther. 2020;37:1960-2002. https://pmc.ncbi.nlm.nih.gov/articles/PMC7467495/
7. Cleveland Clinic. Intravenous Iron Supplementation. https://my.clevelandclinic.org/health/treatments/14571-intravenous-iron-supplementation
Medical information is educational and is not a substitute for advice from your treating clinician.
