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Calcium Acetate

Prescription
Phosphate Binder
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
2 available
Formulations
3

Mechanism of action

Calcium salt that binds dietary phosphorus in the GI tract, forming insoluble calcium phosphate precipitate that is excreted in feces. Reduces intestinal phosphorus absorption and lowers serum phosphorus in CKD. Also provides supplemental calcium.

At a glance

Class
Phosphate Binder
Schedule
Prescription
Storage
Store at room temperature below 25°C

Dosing

🐕

Dog

Used as phosphate binder in CKD when dietary phosphorus restriction alone is ins
Dose
60–90 mg/kg
Route
PO
Frequency
Divided with each meal
🐈

Cat

Used for CKD phosphorus management
Dose
60–90 mg/kg
Route
PO
Frequency
Divided with meals
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 — 3

Strength
Strength
Strength

Storage

Store at room temperature below 25°C

Safety

Monitoring parameters

Serum phosphorus q2–4 weeksIonized calciumCalcium × phosphorus product (<70)BUN/creatinine
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

PhosLo
Eliphos

FAQs

Frequently asked questions

What is Calcium Acetate?
Calcium Acetate is a phosphate binder used in pets. Calcium salt that binds dietary phosphorus in the GI tract, forming insoluble calcium phosphate precipitate that is excreted in feces. Reduces intestinal phosphorus absorption and lowers serum phosphorus in CKD. Also provides supplemental calcium.
What is Calcium Acetate used for in pets?
Calcium Acetate is used in veterinary medicine for: Used as phosphate binder in CKD when dietary phosphorus restriction alone is ins; Used for CKD phosphorus management.
What is the Calcium Acetate dose for dogs?
For dogs, Calcium Acetate is typically dosed as follows — Used as phosphate binder in CKD when dietary phosphorus restriction alone is ins: 60–90 mg/kg PO Divided with each meal. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Calcium Acetate dose for cats?
For cats, Calcium Acetate is typically dosed as follows — Used for CKD phosphorus management: 60–90 mg/kg PO Divided with meals. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Calcium Acetate need a prescription?
Yes. Calcium Acetate 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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