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Glyburide (Glibenclamide)

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

Mechanism of action

Second-generation sulfonylurea that binds SUR1 subunit of KATP channels on pancreatic beta cells, closing channels and causing depolarization, which triggers insulin secretion. Requires functional beta cells. Most potent oral insulin secretagogue.

At a glance

Class
Sulfonylurea Oral Hypoglycemic
Schedule
Prescription
Storage
Store at room temperature below 30°C

Dosing

🐕

Dog

Rarely used in dogs — canine diabetes is typically Type 1 (insulin-dependent)
Dose
0.2 mg/kg
Route
PO
Frequency
q24h
🐈

Cat

Glipizide is preferred over glyburide in cats
Dose
Route
PO
Frequency
q12h
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 30°C

Safety

Monitoring parameters

Blood glucose curvesFructosamineHepatic enzymesSigns of hypoglycemiaReassess need for insulin at 4–8 weeks
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

DiaBeta
Glynase
Micronase

FAQs

Frequently asked questions

What is Glyburide (Glibenclamide)?
Glyburide (Glibenclamide) is a sulfonylurea oral hypoglycemic used in pets. Second-generation sulfonylurea that binds SUR1 subunit of KATP channels on pancreatic beta cells, closing channels and causing depolarization, which triggers insulin secretion. Requires functional beta cells. Most potent oral insulin secretagogue.
What is Glyburide (Glibenclamide) used for in pets?
Glyburide (Glibenclamide) is used in veterinary medicine for: Rarely used in dogs — canine diabetes is typically Type 1 (insulin-dependent); Glipizide is preferred over glyburide in cats.
What is the Glyburide (Glibenclamide) dose for dogs?
For dogs, Glyburide (Glibenclamide) is typically dosed as follows — Rarely used in dogs — canine diabetes is typically Type 1 (insulin-dependent): 0.2 mg/kg PO q24h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Glyburide (Glibenclamide) dose for cats?
For cats, Glyburide (Glibenclamide) is typically dosed as follows — Glipizide is preferred over glyburide in cats: undefined undefined PO q12h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Glyburide (Glibenclamide) need a prescription?
Yes. Glyburide (Glibenclamide) 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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