Drug interactions
Gepirone + Risperidone
Severity: Major
Gepirone and Risperidone: 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. Combined use may increase the risk of torsades de pointes, particularly with electrolyte disturbances, bradycardia or structural heart disease. Gepirone labeling advises caution with other QT-prolonging drugs.
What this interaction means in plain words
Gepirone and Risperidone 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; Risperidone belongs to Central Nervous System.
Why it happens
Additive prolongation of cardiac repolarisation (QTc).
What to do
Obtain a baseline ECG and correct potassium and magnesium before combining. Monitor the ECG periodically, or choose a non-QT-prolonging alternative where possible.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Gepirone and Risperidone, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Risperidone
- Ibutilide + Risperidone Contraindicated
- Risperidone + Vandetanib Contraindicated
- Adagrasib + Risperidone Major
- Amiodarone + Risperidone Major
- Amisulpride + Risperidone Major
- Amoxapine + Risperidone 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 Risperidone?
MediHelp rates the interaction as major. Gepirone and Risperidone 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. Combined use may increase the risk of torsades de pointes, particularly with electrolyte disturbances, bradycardia or structural heart disease. Gepirone labeling advises caution with other QT-prolonging drugs.
How serious is the interaction between Gepirone and Risperidone?
MediHelp rates it major, 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 potassium and magnesium before combining. Monitor the ECG periodically, or choose a non-QT-prolonging alternative where possible.
What other medicines interact with Risperidone?
MediHelp also lists interactions of Risperidone with, for example, Ibutilide, Vandetanib, Adagrasib. The full list is on the Risperidone page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
