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Betamethasone

Prescription
Long-acting glucocorticoid
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
4 available
Formulations
3

Mechanism of action

Binds intracellular glucocorticoid receptors, modulating gene transcription to suppress inflammatory and immune responses; inhibits phospholipase A2, reducing prostaglandin and leukotriene synthesis

At a glance

Class
Long-acting glucocorticoid
Schedule
Prescription
Storage
Below 25°C, protect from light

Dosing

🐕

Dog

Inflammatory and allergic dermatoses, immune-mediated conditions
Dose
0.01–0.1 mg/kg
Route
PO, IM, topical
Frequency
SID to BID (systemic); BID (topical)
Max dose
4 mg/dose; 8 mg/day
Duration: Short-term preferred; taper gradually
🐈

Cat

Inflammatory skin conditions, eosinophilic granuloma complex
Dose
0.01–0.1 mg/kg
Route
PO, IM, topical
Frequency
SID to BID (systemic); BID (topical)
Max dose
2 mg/dose; 4 mg/day
Duration: Short-term preferred; taper gradually

Formulations

💊

Tablet — 1

Strength
0.5mg
Available in India
💉

Injectable suspension — 1

Strength
6mg/mL
Available in India
🧪

Cream — 1

Strength
0.1%
Available in India

Storage

Below 25°C, protect from light

Safety

Absolute contraindications — do not use

  • Systemic fungal infections

Use with caution

  • Diabetes mellitus
    Concurrent NSAID use increases GI ulceration risk

Adverse effects

Common
PU/PD
Polyphagia
Panting
Skin thinning (topical)
Serious
Iatrogenic Cushing's syndrome
GI ulceration
Immunosuppression
Diabetes mellitus

Monitoring parameters

Blood glucoseAdrenal functionBody weightSigns of infection

Interactions

No documented interactions.

Brands

International

Celestone
Merck
Betasone
Virbac

India

Betnovate
GSK India
Betacortril
Intas

FAQs

Frequently asked questions

What is Betamethasone?
Betamethasone is a long-acting glucocorticoid used in pets. Binds intracellular glucocorticoid receptors, modulating gene transcription to suppress inflammatory and immune responses; inhibits phospholipase A2, reducing prostaglandin and leukotriene synthesis
What is Betamethasone used for in pets?
Betamethasone is used in veterinary medicine for: Inflammatory and allergic dermatoses, immune-mediated conditions; Inflammatory skin conditions, eosinophilic granuloma complex.
What is the Betamethasone dose for dogs?
For dogs, Betamethasone is typically dosed as follows — Inflammatory and allergic dermatoses, immune-mediated conditions: 0.01–0.1 mg/kg PO/IM/topical SID to BID (systemic); BID (topical). Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Betamethasone dose for cats?
For cats, Betamethasone is typically dosed as follows — Inflammatory skin conditions, eosinophilic granuloma complex: 0.01–0.1 mg/kg PO/IM/topical SID to BID (systemic); BID (topical). Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What are the side effects of Betamethasone?
Common: PU/PD, Polyphagia, Panting, Skin thinning (topical). Serious (call your vet immediately): Iatrogenic Cushing's syndrome, GI ulceration, Immunosuppression, Diabetes mellitus.
Does Betamethasone need a prescription?
Yes. Betamethasone is a prescription medication and should only be administered under veterinary supervision.
When should Betamethasone not be used?
Do not use Betamethasone if: Systemic fungal infections.

References

References

Textbooks & handbooks

  • Plumb, D.C. Plumb's Veterinary Drug Handbook. 10th ed., Wiley-Blackwell, 2023.
  • Vail, D.M., Thamm, D.H., & Liptak, J.M. (eds.). Withrow & MacEwen's Small Animal Clinical Oncology. 6th ed., Saunders/Elsevier, 2020.
  • Riviere, J.E., & Papich, M.G. (eds.). Veterinary Pharmacology and Therapeutics. 10th ed., Wiley-Blackwell, 2018.
  • National Research Council. Nutrient Requirements of Dogs and Cats. National Academies Press, Washington DC, 2006.
  • The Merck Veterinary Manual. Merck & Co., Online edition. https://www.merckvetmanual.com/

Clinical guidelines & consensus

  • Fletcher, D.J., Boller, M., Brainard, B.M., et al. "RECOVER Evidence and Knowledge Gap Analysis on Veterinary CPR." Journal of Veterinary Emergency and Critical Care, 2012;22(S1):S102–S131.
  • American Animal Hospital Association. 2018 AAHA Diabetes Management Guidelines for Dogs and Cats. AAHA Press.

Journals & peer-reviewed studies

  • Hogan, D.F., Fox, P.R., Jacob, K., et al. "Secondary prevention of cardiogenic arterial thromboembolism in the cat: The FAT CAT study." Journal of Veterinary Cardiology, 2015;17(Suppl 1):S306–S317.
  • Boswood, A., Häggström, J., Gordon, S.G., et al. "Effect of Pimobendan in Dogs with Preclinical Myxomatous Mitral Valve Disease and Cardiomegaly: The EPIC Study — A Randomized Clinical Trial." Journal of Veterinary Internal Medicine, 2016;30(6):1765–1779.
  • ASPCA Animal Poison Control Center. Toxicology and Poison Management Guidelines. American Society for the Prevention of Cruelty to Animals. https://www.aspca.org/pet-care/animal-poison-control

Regulatory & approvals

  • Central Drugs Standard Control Organisation (CDSCO), Government of India. Veterinary Drug Approval Registry, 1969–2026. Directorate General of Health Services. https://cdsco.gov.in/

Databases

  • Washington State University, College of Veterinary Medicine. Veterinary Clinical Pharmacology Laboratory (VCPL) — MDR1 Multidrug Sensitivity Database. https://vcpl.vetmed.wsu.edu/
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 →

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