Drug interactions
Idelalisib + Ivabradine
Severity: Contraindicated
Idelalisib and Ivabradine: contraindicated 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
Idelalisib is a strong CYP3A4 inhibitor and is expected to markedly increase ivabradine concentrations. This raises the risk of symptomatic bradycardia and heart block.
What this interaction means in plain words
Idelalisib and Ivabradine are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.
Idelalisib belongs to Oncology; Ivabradine belongs to Cardiovascular.
Why it happens
Idelalisib inhibits CYP3A4, lowering ivabradine clearance.
What to do
Do not use together. Consider an alternative to ivabradine during idelalisib therapy.
What to ask your pharmacist
- Is there an alternative to one of these two medicines for me?
- If both are essential, who is monitoring me and how often?
- Which symptoms mean I should stop and seek help straight away?
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Other interactions of Ivabradine
- Atazanavir + Ivabradine Contraindicated
- Clarithromycin + Ivabradine Contraindicated
- Cobicistat + Ivabradine Contraindicated
- Conivaptan + Ivabradine Contraindicated
- Darunavir + Ivabradine Contraindicated
- Diltiazem + Ivabradine Contraindicated
Other interactions of Idelalisib
- Alfuzosin + Idelalisib Contraindicated
- Cisapride + Idelalisib Contraindicated
- Dihydroergotamine + Idelalisib Contraindicated
- Dronedarone + Idelalisib Contraindicated
- Eletriptan + Idelalisib Contraindicated
- Eplerenone + Idelalisib Contraindicated
Frequently asked questions
Can I take Idelalisib with Ivabradine?
MediHelp rates the interaction as contraindicated. Idelalisib and Ivabradine are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Idelalisib is a strong CYP3A4 inhibitor and is expected to markedly increase ivabradine concentrations. This raises the risk of symptomatic bradycardia and heart block.
How serious is the interaction between Idelalisib and Ivabradine?
MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not use together. Consider an alternative to ivabradine during idelalisib therapy.
What other medicines interact with Ivabradine?
MediHelp also lists interactions of Ivabradine with, for example, Atazanavir, Clarithromycin, Cobicistat. The full list is on the Ivabradine page.
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