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Zinc (Systemic)

Essential Trace Mineral / Anti-Copper Agent
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
3 available
Formulations
4

Mechanism of action

Essential cofactor for >300 enzymes involved in immunity, wound healing, and cell division. At high doses, induces intestinal metallothionein which preferentially binds dietary copper, preventing copper absorption — used for copper hepatopathy maintenance therapy.

At a glance

Class
Essential Trace Mineral / Anti-Copper Agent
Schedule
OTC
Storage
Store at room temperature, protect from moisture

Dosing

🐕

Dog

Used for copper hepatopathy maintenance (after initial chelation with penicillam
Dose
5–10 mg/kg
Route
PO
Frequency
q12–24h
🐈

Cat

Cats are more susceptible to zinc toxicity (Heinz body anemia)
Dose
Route
PO
Frequency
N/A
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 — 4

Strength
Strength
Strength
Strength

Storage

Store at room temperature, protect from moisture

Safety

Monitoring parameters

Serum zinc levels (target 200–500 mcg/dL for copper hepatopathy)Hepatic copper levels (liver biopsy)CBC (copper deficiency causes anemia/neutropenia)Hepatic enzymes
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

Zinc Sulfate
Zinc Gluconate
Zinc Methionine

FAQs

Frequently asked questions

What is Zinc (Systemic)?
Zinc (Systemic) is a essential trace mineral / anti-copper agent used in pets. Essential cofactor for >300 enzymes involved in immunity, wound healing, and cell division. At high doses, induces intestinal metallothionein which preferentially binds dietary copper, preventing copper absorption — used for copper hepatopathy maintenance therapy.
What is Zinc (Systemic) used for in pets?
Zinc (Systemic) is used in veterinary medicine for: Used for copper hepatopathy maintenance (after initial chelation with penicillam; Cats are more susceptible to zinc toxicity (Heinz body anemia).
What is the Zinc (Systemic) dose for dogs?
For dogs, Zinc (Systemic) is typically dosed as follows — Used for copper hepatopathy maintenance (after initial chelation with penicillam: 5–10 mg/kg PO q12–24h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Zinc (Systemic) dose for cats?
For cats, Zinc (Systemic) is typically dosed as follows — Cats are more susceptible to zinc toxicity (Heinz body anemia): undefined undefined PO N/A. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Zinc (Systemic) need a prescription?
Zinc (Systemic) is available over the counter. Even so, you should consult your veterinarian before giving any medication to your pet.
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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