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Iron Dextran

PrescriptionCDSCO approved
Parenteral iron supplement
Last reviewed 19 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
3 available
Formulations
1

Mechanism of action

Provides elemental iron for hemoglobin synthesis; dextran complex allows slow release from reticuloendothelial system, replenishing iron stores

At a glance

Class
Parenteral iron supplement
Schedule
Prescription
Storage
Store below 25°C; do not freeze; discard if discolored
CDSCO (India)
Vet-approved — 1965-01

Dosing

🐕

Dog

Iron-deficiency anemia (chronic blood loss, hookworm, neonatal)
Dose
10–20 mg elemental iron/kg
Route
IM (deep)
Frequency
Once; may repeat in 7–10 days if needed
Max dose
500 mg
Duration: 1–3 doses typically; address underlying cause
🐈

Cat

Iron-deficiency anemia
Dose
10–20 mg elemental iron/kg
Route
IM (deep)
Frequency
Once; may repeat in 7–10 days
Max dose
100 mg
Duration: 1–2 doses; address underlying cause

Formulations

💉

Injection — 1

Strength
50mg elemental iron/mL
Available in India

Storage

Store below 25°C; do not freeze; discard if discolored

Safety

Absolute contraindications — do not use

  • Non-iron-deficiency anemias (hemolytic, chronic disease)
    Iron overload risk
  • Known hypersensitivity
    Anaphylaxis risk

Adverse effects

Common
Pain at injection site
Skin staining
Transient lethargy
Serious
Anaphylaxis
Iron overload toxicosis

Monitoring parameters

Reticulocyte countPCV/HematocritSerum ironResponse in 5–7 days

Interactions

No documented interactions.

Brands

International

Imferon
Fisons

India

Jectofer
AstraZeneca India
Iron Sorbitol
Sarabhai Chemicals

FAQs

Frequently asked questions

What is Iron Dextran?
Iron Dextran is a parenteral iron supplement used in pets. Provides elemental iron for hemoglobin synthesis; dextran complex allows slow release from reticuloendothelial system, replenishing iron stores
What is Iron Dextran used for in pets?
Iron Dextran is used in veterinary medicine for: Iron-deficiency anemia (chronic blood loss, hookworm, neonatal); Iron-deficiency anemia.
What is the Iron Dextran dose for dogs?
For dogs, Iron Dextran is typically dosed as follows — Iron-deficiency anemia (chronic blood loss, hookworm, neonatal): 10–20 mg elemental iron/kg IM (deep) Once; may repeat in 7–10 days if needed. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Iron Dextran dose for cats?
For cats, Iron Dextran is typically dosed as follows — Iron-deficiency anemia: 10–20 mg elemental iron/kg IM (deep) Once; may repeat in 7–10 days. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What are the side effects of Iron Dextran?
Common: Pain at injection site, Skin staining, Transient lethargy. Serious (call your vet immediately): Anaphylaxis, Iron overload toxicosis.
Does Iron Dextran need a prescription?
Yes. Iron Dextran is a prescription medication and should only be administered under veterinary supervision.
When should Iron Dextran not be used?
Do not use Iron Dextran if: Non-iron-deficiency anemias (hemolytic, chronic disease); Known hypersensitivity.

References

References

Textbooks & handbooks

  • Plumb, D.C. Plumb's Veterinary Drug Handbook. 10th ed., Wiley-Blackwell, 2023.
  • Vail, D.M., Thamm, D.H., & Liptak, J.M. (eds.). Withrow & MacEwen's Small Animal Clinical Oncology. 6th ed., Saunders/Elsevier, 2020.
  • Riviere, J.E., & Papich, M.G. (eds.). Veterinary Pharmacology and Therapeutics. 10th ed., Wiley-Blackwell, 2018.
  • National Research Council. Nutrient Requirements of Dogs and Cats. National Academies Press, Washington DC, 2006.
  • The Merck Veterinary Manual. Merck & Co., Online edition. https://www.merckvetmanual.com/

Clinical guidelines & consensus

  • Fletcher, D.J., Boller, M., Brainard, B.M., et al. "RECOVER Evidence and Knowledge Gap Analysis on Veterinary CPR." Journal of Veterinary Emergency and Critical Care, 2012;22(S1):S102–S131.
  • American Animal Hospital Association. 2018 AAHA Diabetes Management Guidelines for Dogs and Cats. AAHA Press.

Journals & peer-reviewed studies

  • Hogan, D.F., Fox, P.R., Jacob, K., et al. "Secondary prevention of cardiogenic arterial thromboembolism in the cat: The FAT CAT study." Journal of Veterinary Cardiology, 2015;17(Suppl 1):S306–S317.
  • Boswood, A., Häggström, J., Gordon, S.G., et al. "Effect of Pimobendan in Dogs with Preclinical Myxomatous Mitral Valve Disease and Cardiomegaly: The EPIC Study — A Randomized Clinical Trial." Journal of Veterinary Internal Medicine, 2016;30(6):1765–1779.
  • ASPCA Animal Poison Control Center. Toxicology and Poison Management Guidelines. American Society for the Prevention of Cruelty to Animals. https://www.aspca.org/pet-care/animal-poison-control

Regulatory & approvals

  • Central Drugs Standard Control Organisation (CDSCO), Government of India. Veterinary Drug Approval Registry, 1969–2026. Directorate General of Health Services. https://cdsco.gov.in/

Databases

  • Washington State University, College of Veterinary Medicine. Veterinary Clinical Pharmacology Laboratory (VCPL) — MDR1 Multidrug Sensitivity Database. https://vcpl.vetmed.wsu.edu/
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →