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Clodronate

Prescription
First-Generation Bisphosphonate
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
2 available
Formulations
2

Mechanism of action

Non-nitrogen-containing bisphosphonate that is metabolized to a toxic ATP analog within osteoclasts, causing osteoclast apoptosis and reducing bone resorption. Also has anti-inflammatory and analgesic properties on bone.

At a glance

Class
First-Generation Bisphosphonate
Schedule
Prescription
Storage
Store at room temperature below 25°C

Dosing

🐕

Dog

Off-label for bone pain from neoplasia, hypercalcemia of malignancy, and osteoly
Dose
20–25 mg/kg
Route
IV
Frequency
q28 days
🐈

Cat

Off-label for hypercalcemia and bone pain
Dose
25 mg/kg
Route
IV
Frequency
q28 days
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 — 2

Strength
Strength

Storage

Store at room temperature below 25°C

Safety

Monitoring parameters

Renal function before and after infusionSerum ionized calciumPhosphorusClinical pain 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

Osphos (equine)
Bonefos

FAQs

Frequently asked questions

What is Clodronate?
Clodronate is a first-generation bisphosphonate used in pets. Non-nitrogen-containing bisphosphonate that is metabolized to a toxic ATP analog within osteoclasts, causing osteoclast apoptosis and reducing bone resorption. Also has anti-inflammatory and analgesic properties on bone.
What is Clodronate used for in pets?
Clodronate is used in veterinary medicine for: Off-label for bone pain from neoplasia, hypercalcemia of malignancy, and osteoly; Off-label for hypercalcemia and bone pain.
What is the Clodronate dose for dogs?
For dogs, Clodronate is typically dosed as follows — Off-label for bone pain from neoplasia, hypercalcemia of malignancy, and osteoly: 20–25 mg/kg IV q28 days. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Clodronate dose for cats?
For cats, Clodronate is typically dosed as follows — Off-label for hypercalcemia and bone pain: 25 mg/kg IV q28 days. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Clodronate need a prescription?
Yes. Clodronate 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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