Drug interactions
Belzutifan + Eletriptan
Severity: Moderate
Belzutifan and Eletriptan: 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
Belzutifan is a weak CYP3A4 inducer and may lower eletriptan concentrations, which could reduce migraine relief. Eletriptan is a sensitive CYP3A4 substrate, so the effect may be noticeable.
What this interaction means in plain words
Belzutifan and Eletriptan 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.
Belzutifan belongs to Miscellaneous; Eletriptan belongs to Central Nervous System.
Why it happens
Induction of CYP3A4 by belzutifan increases eletriptan metabolism.
What to do
Monitor for reduced eletriptan efficacy. Consider a different triptan not dependent on CYP3A4 if response is inadequate.
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 Eletriptan
- Almotriptan + Eletriptan Contraindicated
- Atazanavir + Eletriptan Contraindicated
- Ceritinib + Eletriptan Contraindicated
- Clarithromycin + Eletriptan Contraindicated
- Cobicistat + Eletriptan Contraindicated
- Conivaptan + Eletriptan Contraindicated
Other interactions of Belzutifan
Frequently asked questions
Can I take Belzutifan with Eletriptan?
MediHelp rates the interaction as moderate. Belzutifan and Eletriptan 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. Belzutifan is a weak CYP3A4 inducer and may lower eletriptan concentrations, which could reduce migraine relief. Eletriptan is a sensitive CYP3A4 substrate, so the effect may be noticeable.
How serious is the interaction between Belzutifan and Eletriptan?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for reduced eletriptan efficacy. Consider a different triptan not dependent on CYP3A4 if response is inadequate.
What other medicines interact with Eletriptan?
MediHelp also lists interactions of Eletriptan with, for example, Almotriptan, Atazanavir, Ceritinib. The full list is on the Eletriptan page.
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