S-enantiomer of bupivacaine with similar duration (4–8h) but significantly less cardiac toxicity. Blocks voltage-gated sodium channels. Greater sensory-motor differentiation — preferentially blocks sensory over motor fibers at lower concentrations.
At a glance
Class
Long-Acting Amide Local Anesthetic
Storage
Store at room temperature below 25°C, protect from light
Dosing
Safer alternative to bupivacaine for regional anesthesia — less cardiotoxic
Route
Local infiltration, Epidural, Nerve block
Frequency
Single administration; duration 4–8h
Safer than bupivacaine in cats
Route
Local infiltration, Nerve block
Frequency
Single administration
Safety
Total dose calculationSigns of systemic toxicityMotor function (expected block with higher concentrations)
Interactions
No documented interactions.
FAQs
Frequently asked questions
›What is Ropivacaine?
Ropivacaine is a long-acting amide local anesthetic used in pets. S-enantiomer of bupivacaine with similar duration (4–8h) but significantly less cardiac toxicity. Blocks voltage-gated sodium channels. Greater sensory-motor differentiation — preferentially blocks sensory over motor fibers at lower concentrations.
›What is Ropivacaine used for in pets?
Ropivacaine is used in veterinary medicine for: Safer alternative to bupivacaine for regional anesthesia — less cardiotoxic; Safer than bupivacaine in cats.
›What is the Ropivacaine dose for dogs?
For dogs, Ropivacaine is typically dosed as follows — Safer alternative to bupivacaine for regional anesthesia — less cardiotoxic: 1–1.5 mg/kg Local infiltration/Epidural/Nerve block Single administration; duration 4–8h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›What is the Ropivacaine dose for cats?
For cats, Ropivacaine is typically dosed as follows — Safer than bupivacaine in cats: undefined undefined Local infiltration/Nerve block Single administration. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
›Does Ropivacaine need a prescription?
Yes. Ropivacaine is a prescription medication and should only be administered under veterinary supervision.
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.
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