Drug interactions
Chloroquine + Fingolimod
Severity: Major
Chloroquine and Fingolimod: major interaction.
Last updated Sources: Health Canada product monograph
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
Fingolimod causes bradycardia and has been associated with QT effects, and chloroquine adds QT prolongation. Together they raise the risk of torsades de pointes.
What this interaction means in plain words
Chloroquine 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.
Chloroquine belongs to Anti Parasitic; Fingolimod belongs to Central Nervous System.
Why it happens
Additive QT prolongation combined with fingolimod-induced bradycardia.
What to do
Avoid if possible; if needed, obtain a baseline ECG and monitor heart rate and QTc, especially at fingolimod initiation.
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 Chloroquine
- Chloroquine + Cisapride Contraindicated
- Chloroquine + Dofetilide Contraindicated
- Chloroquine + Dronedarone Contraindicated
- Chloroquine + Droperidol Contraindicated
- Chloroquine + Panobinostat Contraindicated
- Chloroquine + Pimozide Contraindicated
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 Chloroquine with Fingolimod?
MediHelp rates the interaction as major. Chloroquine 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. Fingolimod causes bradycardia and has been associated with QT effects, and chloroquine adds QT prolongation. Together they raise the risk of torsades de pointes.
How serious is the interaction between Chloroquine 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: Avoid if possible; if needed, obtain a baseline ECG and monitor heart rate and QTc, especially at fingolimod initiation.
What other medicines interact with Chloroquine?
MediHelp also lists interactions of Chloroquine with, for example, Cisapride, Dofetilide, Dronedarone. The full list is on the Chloroquine page.
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