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
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 →Safety
Total dose calculationSigns of systemic toxicityMotor function (expected block with higher concentrations)
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.
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.
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