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Drug interactions

Leuprolide + Quetiapine

Severity: Moderate

Leuprolide and Quetiapine: 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

Leuprolide-induced androgen deprivation can prolong the QT interval, and quetiapine also has QT-prolonging potential. Together they may increase the risk of torsades de pointes, especially with other risk factors.

What this interaction means in plain words

Leuprolide and Quetiapine 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.

Leuprolide belongs to Endocrine; Quetiapine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive QT prolongation.

What to do

Obtain a baseline ECG and monitor QT and electrolytes during therapy. Avoid adding further QT-prolonging drugs.

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 Leuprolide with Quetiapine?

MediHelp rates the interaction as moderate. Leuprolide and Quetiapine 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. Leuprolide-induced androgen deprivation can prolong the QT interval, and quetiapine also has QT-prolonging potential. Together they may increase the risk of torsades de pointes, especially with other risk factors.

How serious is the interaction between Leuprolide and Quetiapine?

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 monitor QT and electrolytes during therapy. Avoid adding further QT-prolonging drugs.

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.

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