Drug interactions
Quinine + Topiramate
Severity: Minor
Quinine and Topiramate: 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
Topiramate is a weak CYP3A4 inducer at higher doses and may slightly lower quinine exposure. The clinical effect is likely small.
What this interaction means in plain words
Quinine and Topiramate 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 belongs to Anti Parasitic; Topiramate belongs to Central Nervous System.
Why it happens
Weak dose-dependent CYP3A4 induction by topiramate, increasing quinine metabolism.
What to do
Monitor response to quinine therapy; no dose change is routinely needed.
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
Other interactions of Topiramate
Frequently asked questions
Can I take Quinine with Topiramate?
MediHelp rates the interaction as minor. Quinine and Topiramate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Topiramate is a weak CYP3A4 inducer at higher doses and may slightly lower quinine exposure. The clinical effect is likely small.
How serious is the interaction between Quinine and Topiramate?
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 response to quinine therapy; no dose change is routinely needed.
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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