Drug interactions
Quinine + Trofinetide
Severity: Minor
Quinine and Trofinetide: 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
Trofinetide is a weak CYP3A4 inhibitor and may modestly increase quinine concentrations. Because quinine has a narrow therapeutic margin, even a small rise could add to its toxicity.
What this interaction means in plain words
Quinine and Trofinetide 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; Trofinetide belongs to Central Nervous System.
Why it happens
Weak inhibition of CYP3A4 reduces quinine metabolism.
What to do
Monitor for signs of quinine toxicity such as tinnitus, nausea and QT prolongation. No empirical dose change is generally 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 Trofinetide
Frequently asked questions
Can I take Quinine with Trofinetide?
MediHelp rates the interaction as minor. Quinine and Trofinetide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Trofinetide is a weak CYP3A4 inhibitor and may modestly increase quinine concentrations. Because quinine has a narrow therapeutic margin, even a small rise could add to its toxicity.
How serious is the interaction between Quinine and Trofinetide?
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 signs of quinine toxicity such as tinnitus, nausea and QT prolongation. No empirical dose change is generally 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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