Drug interactions
Siponimod + Telavancin
Severity: Moderate
Siponimod and Telavancin: 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 cause bradycardia and atrioventricular conduction delay at initiation, and telavancin may add QT prolongation. Together this may increase the risk of serious arrhythmia.
What this interaction means in plain words
Siponimod and Telavancin 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 belongs to Central Nervous System; Telavancin belongs to Anti Bacterial.
Why it happens
Additive QTc prolongation combined with siponimod-related bradycardia.
What to do
Obtain an ECG before starting siponimod and monitor heart rate and ECG during co-treatment. Correct electrolytes and consider an alternative antibiotic.
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 Telavancin
- Telavancin + Thioridazine Contraindicated
- Adagrasib + Telavancin Major
- Amiodarone + Telavancin Major
- Amisulpride + Telavancin Major
- Anagrelide + Telavancin Major
- Arsenic trioxide + Telavancin 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 Siponimod with Telavancin?
MediHelp rates the interaction as moderate. Siponimod and Telavancin 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 cause bradycardia and atrioventricular conduction delay at initiation, and telavancin may add QT prolongation. Together this may increase the risk of serious arrhythmia.
How serious is the interaction between Siponimod and Telavancin?
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 an ECG before starting siponimod and monitor heart rate and ECG during co-treatment. Correct electrolytes and consider an alternative antibiotic.
What other medicines interact with Telavancin?
MediHelp also lists interactions of Telavancin with, for example, Thioridazine, Adagrasib, Amiodarone. The full list is on the Telavancin page.
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