Drug interactions
Buprenorphine transdermal + Carbamazepine
Severity: Moderate
Buprenorphine transdermal and Carbamazepine: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Carbamazepine induces CYP3A4 and may lower buprenorphine concentrations from the patch, reducing analgesia or causing withdrawal symptoms.
What this interaction means in plain words
Buprenorphine transdermal and Carbamazepine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Carbamazepine induces CYP3A4 metabolism of buprenorphine.
What to do
Monitor pain control and withdrawal signs and increase the patch strength or add breakthrough analgesia as needed. Reduce the dose if carbamazepine is withdrawn.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Buprenorphine transdermal and Carbamazepine, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Carbamazepine
- Artemether / lumefantrine + Carbamazepine Contraindicated
- Cabotegravir + Carbamazepine Contraindicated
- Carbamazepine + Delamanid Contraindicated
- Carbamazepine + Dienogest / estradiol valerate Contraindicated
- Carbamazepine + Doravirine Contraindicated
- Carbamazepine + Elbasvir / grazoprevir Contraindicated
Frequently asked questions
Can I take Buprenorphine transdermal with Carbamazepine?
MediHelp rates the interaction as moderate. Buprenorphine transdermal and Carbamazepine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Carbamazepine induces CYP3A4 and may lower buprenorphine concentrations from the patch, reducing analgesia or causing withdrawal symptoms.
How serious is the interaction between Buprenorphine transdermal and Carbamazepine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor pain control and withdrawal signs and increase the patch strength or add breakthrough analgesia as needed. Reduce the dose if carbamazepine is withdrawn.
What other medicines interact with Carbamazepine?
MediHelp also lists interactions of Carbamazepine with, for example, Artemether / lumefantrine, Cabotegravir, Delamanid. The full list is on the Carbamazepine page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
