Does Lidocaine Hydrochloride Interact with Propranolol?
CDI records a moderate classification for Lidocaine Hydrochloride and Propranolol. The stored summary is: May increase lidocaine plasma levels by decreasing hepatic blood flow and clearance; also may cause additive cardiac effects. The mechanism involves decreased hepatic blood flow reduces lidocaine clearance. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This record was extracted from drug labeling through openFDA. NIH/NLM RxNorm is used for drug identities. The summary and severity classification are CDI's processed information, not a verbatim source quotation. Product, route, and patient circumstances matter.
- Severity
- Moderate
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
Recorded Mechanism
Decreased hepatic blood flow reduces lidocaine clearance
What To Tell Your Doctor or Pharmacist
If you are taking Lidocaine Hydrochloride and your doctor is considering prescribing Propranolol (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 whether any dosage adjustments are needed
- Never stop or change either medication without first consulting your healthcare provider