Drug interactions
Betaxolol + Fingolimod
Severity: Major
Betaxolol and Fingolimod: major interaction.
Last updated Sources: Base de donnees publique des medicaments (France)
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 transient heart rate slowing and AV conduction delay after the first dose, and beta-blockers add to this. Symptomatic bradycardia or AV block is more likely during initiation or after treatment interruption.
What this interaction means in plain words
Betaxolol 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.
Betaxolol belongs to Cardiovascular; Fingolimod belongs to Central Nervous System.
Why it happens
Additive bradycardic and AV-conduction-slowing effects from S1P receptor modulation and beta-1 blockade.
What to do
Obtain a baseline ECG and monitor heart rate and blood pressure for at least 6 hours after the first fingolimod dose. Consider temporarily changing the beta-blocker if feasible, and seek cardiology input in higher-risk patients.
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 Betaxolol
- Acebutolol + Betaxolol Major
- Aldesleukin + Betaxolol Major
- Amifostine + Betaxolol Major
- Amiodarone + Betaxolol Major
- Atenolol-chlorthalidone + Betaxolol Major
- Atenolol + Betaxolol Major
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 Betaxolol with Fingolimod?
MediHelp rates the interaction as major. Betaxolol 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 transient heart rate slowing and AV conduction delay after the first dose, and beta-blockers add to this. Symptomatic bradycardia or AV block is more likely during initiation or after treatment interruption.
How serious is the interaction between Betaxolol 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: Obtain a baseline ECG and monitor heart rate and blood pressure for at least 6 hours after the first fingolimod dose. Consider temporarily changing the beta-blocker if feasible, and seek cardiology input in higher-risk patients.
What other medicines interact with Betaxolol?
MediHelp also lists interactions of Betaxolol with, for example, Acebutolol, Aldesleukin, Amifostine. The full list is on the Betaxolol page.
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