Drug interactions
Aripiprazole + Siponimod
Severity: Moderate
Aripiprazole and Siponimod: 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
Siponimod can slow heart rate and affect conduction at initiation, and aripiprazole has a small QT effect. Combined use may raise the risk of arrhythmia.
What this interaction means in plain words
Aripiprazole and Siponimod 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.
Aripiprazole belongs to Central Nervous System; Siponimod belongs to Central Nervous System.
Why it happens
Additive effects on cardiac conduction and repolarization.
What to do
Obtain ECG before starting siponimod and monitor heart rate during initiation. Seek cardiology advice if other QT-prolonging drugs are used.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Aripiprazole and Siponimod, 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 7 days on the web. No card needed.
Other interactions of Aripiprazole
- Aripiprazole + Pimozide Contraindicated
- Aripiprazole + Thioridazine Contraindicated
- Amisulpride + Aripiprazole Major
- Aripiprazole + Arsenic trioxide Major
- Aripiprazole + Calcium / magnesium / potassium / sodium oxybates Major
- Aripiprazole + Carbamazepine Major
Other interactions of Siponimod
- Cladribine + Siponimod Contraindicated
- Fingolimod + Siponimod Contraindicated
- Fluconazole + Siponimod Contraindicated
- Influenza virus vaccine quadrivalent intranasal + Siponimod Contraindicated
- Ponesimod + Siponimod Contraindicated
- Siponimod + Thioridazine Contraindicated
Frequently asked questions
Can I take Aripiprazole with Siponimod?
MediHelp rates the interaction as moderate. Aripiprazole and Siponimod 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. Siponimod can slow heart rate and affect conduction at initiation, and aripiprazole has a small QT effect. Combined use may raise the risk of arrhythmia.
How serious is the interaction between Aripiprazole and Siponimod?
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 ECG before starting siponimod and monitor heart rate during initiation. Seek cardiology advice if other QT-prolonging drugs are used.
What other medicines interact with Aripiprazole?
MediHelp also lists interactions of Aripiprazole with, for example, Pimozide, Thioridazine, Amisulpride. The full list is on the Aripiprazole 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.
