Does Carbamazepine Interact with Rocuronium?
Carbamazepine and Rocuronium have a moderate drug interaction according to U.S. FDA drug labeling data. Chronic carbamazepine therapy may cause resistance to rocuronium effects, resulting in shorter neuromuscular block duration and higher infusion rates needed. The mechanism involves receptor up-regulation may be contributing factor. 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
- Moderate
- Carbamazepine Class
- Mood Stabilizer
- Management
- Monitor for effects
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Carbamazepine and Rocuronium occurs because receptor up-regulation may be contributing factor. Clinically, this means chronic carbamazepine therapy may cause resistance to rocuronium effects, resulting in shorter neuromuscular block duration and higher infusion rates needed. This is classified as a moderate interaction. While it may not require stopping either medication, your healthcare provider should be aware you are taking both so they can monitor for potential effects and adjust treatment if necessary.
What To Tell Your Doctor or Pharmacist
If you are taking Carbamazepine and your doctor is considering prescribing Rocuronium (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