Does Ropivacaine Hydrochloride Interact with Procaine?
Ropivacaine Hydrochloride and Procaine have a major drug interaction according to U.S. FDA drug labeling data. Toxic effects are additive; use with caution in patients receiving other local anesthetics. The mechanism involves additive toxicity of amide-type local anesthetics. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.
- Severity
- Major
- Management
- Close medical supervision required
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Ropivacaine Hydrochloride and Procaine occurs because additive toxicity of amide-type local anesthetics. Clinically, this means toxic effects are additive; use with caution in patients receiving other local anesthetics. This is classified as a major interaction, meaning it could cause serious harm if not properly managed. Your healthcare provider may need to adjust dosages, substitute one medication, or increase monitoring frequency.
What To Tell Your Doctor or Pharmacist
If you are taking Ropivacaine Hydrochloride and your doctor is considering prescribing Procaine (or vice versa), make sure to:
- Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
- Ask whether the benefits of combining these medications outweigh the risks for your specific situation
- Ask what symptoms to watch for that would indicate the interaction is causing problems
- Ask how frequently you should be monitored while these are co-prescribed
- Ask whether any dosage adjustments are needed
- Never stop or change either medication without first consulting your healthcare provider