Drug interactions
Bupivacaine implant + Lidocaine-prilocaine
Severity: Moderate
Bupivacaine implant and Lidocaine-prilocaine: 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
Additional local anesthetics after bupivacaine implant placement may add to systemic local anesthetic exposure and cause neurologic or cardiac toxicity. Labeling advises avoiding other local anesthetics at the site for a period after implantation.
What this interaction means in plain words
Bupivacaine implant and Lidocaine-prilocaine 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
Additive sodium channel blockade and cumulative systemic local anesthetic exposure.
What to do
Avoid applying lidocaine-prilocaine near the implant site for about 96 hours after implantation. If it is needed, use limited areas and monitor for signs of local anesthetic toxicity.
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?
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Other interactions of Lidocaine-prilocaine
- Lidocaine-prilocaine + Phenazopyridine Major
- Bupivacaine liposome + Lidocaine-prilocaine Moderate
- Disopyramide + Lidocaine-prilocaine Moderate
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Lidocaine-prilocaine Moderate
- Lidocaine-prilocaine + Mexiletine Moderate
- Lidocaine-prilocaine + Nirmatrelvir / ritonavir Moderate
Frequently asked questions
Can I take Bupivacaine implant with Lidocaine-prilocaine?
MediHelp rates the interaction as moderate. Bupivacaine implant and Lidocaine-prilocaine 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. Additional local anesthetics after bupivacaine implant placement may add to systemic local anesthetic exposure and cause neurologic or cardiac toxicity. Labeling advises avoiding other local anesthetics at the site for a period after implantation.
How serious is the interaction between Bupivacaine implant and Lidocaine-prilocaine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid applying lidocaine-prilocaine near the implant site for about 96 hours after implantation. If it is needed, use limited areas and monitor for signs of local anesthetic toxicity.
What other medicines interact with Lidocaine-prilocaine?
MediHelp also lists interactions of Lidocaine-prilocaine with, for example, Phenazopyridine, Bupivacaine liposome, Disopyramide. The full list is on the Lidocaine-prilocaine page.
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