Drug interactions
Asenapine transdermal + Fingolimod
Severity: Major
Asenapine transdermal and Fingolimod: major interaction.
Last updated Sources: US FDA label
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
Asenapine can prolong the QT interval and fingolimod causes bradycardia and may add to QT risk. Together they may increase the risk of ventricular arrhythmia, including torsades de pointes.
What this interaction means in plain words
Asenapine transdermal and Fingolimod 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.
Why it happens
Additive QT prolongation with fingolimod-related bradycardia.
What to do
Consider an antipsychotic with lower QT liability. If combined, obtain a baseline ECG, correct electrolytes and monitor ECG periodically.
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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References
Other interactions of Fingolimod
- Adenovirus types 4 and 7 live + Fingolimod Contraindicated
- Bcg vaccine live + Fingolimod Contraindicated
- Fingolimod + Pimozide Contraindicated
- Fingolimod + Ponesimod Contraindicated
- Fingolimod + Quinidine Contraindicated
- Fingolimod + Siponimod Contraindicated
Frequently asked questions
Can I take Asenapine transdermal with Fingolimod?
MediHelp rates the interaction as major. Asenapine transdermal and Fingolimod 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. Asenapine can prolong the QT interval and fingolimod causes bradycardia and may add to QT risk. Together they may increase the risk of ventricular arrhythmia, including torsades de pointes.
How serious is the interaction between Asenapine transdermal and Fingolimod?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider an antipsychotic with lower QT liability. If combined, obtain a baseline ECG, correct electrolytes and monitor ECG periodically.
What other medicines interact with Fingolimod?
MediHelp also lists interactions of Fingolimod with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Pimozide. The full list is on the Fingolimod page.
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