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Triamcinolone Acetonide

Prescription
Intermediate-Acting Corticosteroid
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
3 available
Interactions
2 documented
Formulations
4

Mechanism of action

Synthetic fluorinated glucocorticoid with 5x the anti-inflammatory potency of cortisol. Inhibits phospholipase A2, reducing arachidonic acid cascade and prostaglandin/leukotriene synthesis. Minimal mineralocorticoid activity.

At a glance

Class
Intermediate-Acting Corticosteroid
Schedule
Prescription
Storage
Store at room temperature; do not freeze; shake suspension well before use

Dosing

🐕

Dog

Long-acting depot injection for allergic dermatitis, pruritus, and immune-mediat
Dose
0.1–0.2 mg/kg
Route
IM, SQ, Intralesional, Topical
Frequency
Variable
🐈

Cat

Widely used in cats for allergy management, eosinophilic granuloma complex
Dose
0.1–0.2 mg/kg
Route
IM, Topical
Frequency
q1–3 months (depot)
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; do not freeze; shake suspension well before use

Safety

Monitoring parameters

Blood glucoseBody weightSigns of infectionAdrenal function with repeated use
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

Major — 2

Meloxicam
major
Corticosteroid + NSAID: additive GI ulceration. Depot triamcinolone injection effects last weeks — cannot be rapidly reversed if GI complications occur.
Management: Avoid. Do not use NSAID within 2-4 weeks of depot triamcinolone injection. Allow steroid to clear before NSAID.
Insulin, Glargine
major
Corticosteroid-induced insulin resistance. Depot triamcinolone provides prolonged steroid effect (weeks) destabilizing diabetic control for extended period.
Management: Avoid in diabetics. If essential, expect significant insulin dose increase for 2-4 weeks after injection.
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 →

Brands

Other markets

Vetalog
Kenalog
Panalog

FAQs

Frequently asked questions

›What is Triamcinolone Acetonide?
Triamcinolone Acetonide is a intermediate-acting corticosteroid used in pets. Synthetic fluorinated glucocorticoid with 5x the anti-inflammatory potency of cortisol. Inhibits phospholipase A2, reducing arachidonic acid cascade and prostaglandin/leukotriene synthesis. Minimal mineralocorticoid activity.
›What is Triamcinolone Acetonide used for in pets?
Triamcinolone Acetonide is used in veterinary medicine for: Long-acting depot injection for allergic dermatitis, pruritus, and immune-mediat; Widely used in cats for allergy management, eosinophilic granuloma complex.
›What is the Triamcinolone Acetonide dose for dogs?
For dogs, Triamcinolone Acetonide is typically dosed as follows — Long-acting depot injection for allergic dermatitis, pruritus, and immune-mediat: 0.1–0.2 mg/kg IM/SQ/Intralesional/Topical Variable. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›What is the Triamcinolone Acetonide dose for cats?
For cats, Triamcinolone Acetonide is typically dosed as follows — Widely used in cats for allergy management, eosinophilic granuloma complex: 0.1–0.2 mg/kg IM/Topical q1–3 months (depot). Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›Does Triamcinolone Acetonide need a prescription?
Yes. Triamcinolone Acetonide 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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