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Dexrazoxane

Prescription
Cardioprotective Agent / Iron Chelator
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
2 available
Formulations
1

Mechanism of action

Intracellularly converted to an iron chelator that prevents iron-catalyzed free radical generation responsible for anthracycline cardiotoxicity. Does not reduce antitumor efficacy.

At a glance

Class
Cardioprotective Agent / Iron Chelator
Schedule
Prescription
Storage
Store at room temperature; reconstituted use within 1h; diluted within 6h

Dosing

🐕

Dog

Allows higher cumulative doxorubicin doses by protecting against cardiotoxicity
Dose
Route
PO
Frequency
With each doxorubicin treatment
🐈

Cat

Limited feline data but same rationale
Dose
Route
IV
Frequency
With each doxorubicin dose
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 →

Formulations

💊

Other — 1

Strength

Storage

Store at room temperature; reconstituted use within 1h; diluted within 6h

Safety

Monitoring parameters

CBCEchocardiogram (continued monitoring)Tumor response
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 →

Interactions

No documented interactions.

Brands

Other markets

Zinecard
Totect

FAQs

Frequently asked questions

What is Dexrazoxane?
Dexrazoxane is a cardioprotective agent / iron chelator used in pets. Intracellularly converted to an iron chelator that prevents iron-catalyzed free radical generation responsible for anthracycline cardiotoxicity. Does not reduce antitumor efficacy.
What is Dexrazoxane used for in pets?
Dexrazoxane is used in veterinary medicine for: Allows higher cumulative doxorubicin doses by protecting against cardiotoxicity; Limited feline data but same rationale.
What is the Dexrazoxane dose for dogs?
For dogs, Dexrazoxane is typically dosed as follows — Allows higher cumulative doxorubicin doses by protecting against cardiotoxicity: undefined undefined PO With each doxorubicin treatment. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Dexrazoxane dose for cats?
For cats, Dexrazoxane is typically dosed as follows — Limited feline data but same rationale: undefined undefined IV With each doxorubicin dose. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Dexrazoxane need a prescription?
Yes. Dexrazoxane is a prescription medication and should only be administered under veterinary supervision.
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 →

References

References

The PetCare.AI drug reference is built from 13 authoritative sources cited across 580 drug monographs.

Textbooks & handbooks — 5

  • Plumb's Veterinary Drug Handbook
  • Withrow & MacEwen's Small Animal Clinical Oncology
  • Merck Veterinary Manual
  • NRC Nutrient Requirements of Dogs and Cats
  • Veterinary Pharmacology and Therapeutics (Riviere & Papich)

Clinical guidelines & consensus — 4

  • ASPCA Animal Poison Control Center Guidelines
  • AAHA Diabetes Management Guidelines
  • ASPCA Poison Control Guidelines
  • RECOVER CPR Guidelines

Journals & peer-reviewed studies — 2

  • EPIC Study (J Vet Intern Med 2016)
  • JVIM FAT CAT Study

Regulatory & approvals — 1

  • CDSCO Veterinary Drug Approval Registry (1969–2026)

Databases — 1

  • Washington State University VCPL MDR1 Database
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