Drug interactions
Gepirone + Quetiapine
Severity: Major
Gepirone 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
Gepirone prolongs the QT interval in a dose-related way 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
Gepirone 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.
Gepirone belongs to Central Nervous System; Quetiapine belongs to Central Nervous System.
Why it happens
Additive prolongation of cardiac repolarization (QT interval).
What to do
Avoid the combination where possible, or obtain a baseline and follow-up ECG and keep potassium and magnesium normal. Use a lower gepirone dose and stop it if the QTc rises significantly.
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?
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Other interactions of Quetiapine
- Adagrasib + Quetiapine Major
- Amiodarone + Quetiapine Major
- Amisulpride + Quetiapine Major
- Amoxapine + Quetiapine Major
- Anagrelide + Quetiapine Major
- Apalutamide + Quetiapine Major
Other interactions of Gepirone
- Clarithromycin + Gepirone Contraindicated
- Gepirone + Isocarboxazid Contraindicated
- Gepirone + Itraconazole Contraindicated
- Gepirone + Ketoconazole Contraindicated
- Gepirone + Linezolid Contraindicated
- Gepirone + Phenelzine Contraindicated
Frequently asked questions
Can I take Gepirone with Quetiapine?
MediHelp rates the interaction as major. Gepirone 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. Gepirone prolongs the QT interval in a dose-related way 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 Gepirone 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 the combination where possible, or obtain a baseline and follow-up ECG and keep potassium and magnesium normal. Use a lower gepirone dose and stop it if the QTc rises significantly.
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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