Drug interactions
Ponesimod + Solifenacin
Severity: Moderate
Ponesimod and Solifenacin: 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
Ponesimod slows heart rate and conduction on initiation, and solifenacin has a small QT effect. Combined use could increase arrhythmia risk in vulnerable patients.
What this interaction means in plain words
Ponesimod and Solifenacin 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.
Ponesimod belongs to Central Nervous System; Solifenacin belongs to Genitourinary.
Why it happens
Additive cardiac effects: ponesimod-induced bradycardia combined with QT prolongation.
What to do
Obtain a baseline ECG before starting ponesimod and monitor heart rate and QTc. Seek cardiology advice in patients with pre-existing cardiac disease.
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?
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Other interactions of Solifenacin
Other interactions of Ponesimod
- Fingolimod + Ponesimod Contraindicated
- Ponesimod + Siponimod Contraindicated
- Amiodarone + Ponesimod Major
- Amisulpride + Ponesimod Major
- Anagrelide + Ponesimod Major
- Anti-thymocyte + Ponesimod Major
Frequently asked questions
Can I take Ponesimod with Solifenacin?
MediHelp rates the interaction as moderate. Ponesimod and Solifenacin 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. Ponesimod slows heart rate and conduction on initiation, and solifenacin has a small QT effect. Combined use could increase arrhythmia risk in vulnerable patients.
How serious is the interaction between Ponesimod and Solifenacin?
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 before starting ponesimod and monitor heart rate and QTc. Seek cardiology advice in patients with pre-existing cardiac disease.
What other medicines interact with Solifenacin?
MediHelp also lists interactions of Solifenacin with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Solifenacin page.
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