Drug interactions
Bupivacaine implant + Quinine
Severity: Minor
Bupivacaine implant and Quinine: minor 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
Quinine and local anesthetics such as bupivacaine can each induce methemoglobinemia. Combined exposure may increase the risk, although systemic bupivacaine levels from an implant are low.
What this interaction means in plain words
Bupivacaine implant and Quinine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Additive oxidation of hemoglobin to methemoglobin.
What to do
Monitor for cyanosis, dyspnea or low pulse oximetry in at-risk patients, such as those with G6PD deficiency. Treat confirmed methemoglobinemia with methylene blue where appropriate.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Quinine
- Arsenic trioxide + Quinine Contraindicated
- Dofetilide + Quinine Contraindicated
- Dronedarone + Quinine Contraindicated
- Ibutilide + Quinine Contraindicated
- Mefloquine + Quinine Contraindicated
- Nilotinib + Quinine Contraindicated
Frequently asked questions
Can I take Bupivacaine implant with Quinine?
MediHelp rates the interaction as minor. Bupivacaine implant and Quinine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Quinine and local anesthetics such as bupivacaine can each induce methemoglobinemia. Combined exposure may increase the risk, although systemic bupivacaine levels from an implant are low.
How serious is the interaction between Bupivacaine implant and Quinine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for cyanosis, dyspnea or low pulse oximetry in at-risk patients, such as those with G6PD deficiency. Treat confirmed methemoglobinemia with methylene blue where appropriate.
What other medicines interact with Quinine?
MediHelp also lists interactions of Quinine with, for example, Arsenic trioxide, Dofetilide, Dronedarone. The full list is on the Quinine page.
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