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Drug interactions

Anagrelide + Quetiapine

Severity: Major

Anagrelide and Quetiapine: major 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 drugs can prolong the QT interval, and anagrelide may also cause tachycardia and palpitations. The combination raises torsades de pointes risk, especially with cardiac disease or electrolyte abnormalities.

What this interaction means in plain words

Anagrelide and Quetiapine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Anagrelide belongs to Cardiovascular; Quetiapine belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Additive QT prolongation.

What to do

Avoid if possible; otherwise obtain baseline and follow-up ECGs and correct potassium and magnesium.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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 Quetiapine?

MediHelp rates the interaction as major. Anagrelide and Quetiapine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both drugs can prolong the QT interval, and anagrelide may also cause tachycardia and palpitations. The combination raises torsades de pointes risk, especially with cardiac disease or electrolyte abnormalities.

How serious is the interaction between Anagrelide and Quetiapine?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if possible; otherwise obtain baseline and follow-up ECGs and correct potassium and magnesium.

What other medicines interact with Quetiapine?

MediHelp also lists interactions of Quetiapine with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Quetiapine page.

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

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