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Drug interactions

Anagrelide + Quinine

Severity: Moderate

Anagrelide and Quinine: 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

Both quinine and anagrelide can prolong the QT interval, so combined use increases the risk of torsades de pointes. Anagrelide can also cause tachycardia and palpitations.

What this interaction means in plain words

Anagrelide and Quinine 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.

Anagrelide belongs to Cardiovascular; Quinine belongs to Anti Parasitic.

Evidence level: Low

Why it happens

Additive QT prolongation.

What to do

Obtain a baseline ECG and correct hypokalemia and hypomagnesemia. Monitor ECG during co-therapy.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Anagrelide with Quinine?

MediHelp rates the interaction as moderate. Anagrelide and Quinine 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. Both quinine and anagrelide can prolong the QT interval, so combined use increases the risk of torsades de pointes. Anagrelide can also cause tachycardia and palpitations.

How serious is the interaction between Anagrelide and Quinine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and correct hypokalemia and hypomagnesemia. Monitor ECG during co-therapy.

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.

Full monographs, dosing and an interaction checker in the MediHelp app

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