Drug interactions
Belzutifan + Carbamazepine
Severity: Moderate
Belzutifan and Carbamazepine: 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 CYP3A4 inducer and may reduce carbamazepine concentrations, risking loss of seizure or mood control. Belzutifan may also be affected by carbamazepine, as carbamazepine induces UGT and CYP3A4 pathways.
What this interaction means in plain words
Belzutifan and Carbamazepine 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; Carbamazepine belongs to Central Nervous System.
Why it happens
Belzutifan induces CYP3A4, increasing carbamazepine metabolism.
What to do
Monitor carbamazepine serum levels and clinical response, adjusting the dose as needed. Monitor belzutifan efficacy.
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 Carbamazepine
- Artemether / lumefantrine + Carbamazepine Contraindicated
- Cabotegravir + Carbamazepine Contraindicated
- Carbamazepine + Delamanid Contraindicated
- Carbamazepine + Dienogest / estradiol valerate Contraindicated
- Carbamazepine + Doravirine Contraindicated
- Carbamazepine + Elbasvir / grazoprevir Contraindicated
Other interactions of Belzutifan
Frequently asked questions
Can I take Belzutifan with Carbamazepine?
MediHelp rates the interaction as moderate. Belzutifan and Carbamazepine 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 CYP3A4 inducer and may reduce carbamazepine concentrations, risking loss of seizure or mood control. Belzutifan may also be affected by carbamazepine, as carbamazepine induces UGT and CYP3A4 pathways.
How serious is the interaction between Belzutifan and Carbamazepine?
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 carbamazepine serum levels and clinical response, adjusting the dose as needed. Monitor belzutifan efficacy.
What other medicines interact with Carbamazepine?
MediHelp also lists interactions of Carbamazepine with, for example, Artemether / lumefantrine, Cabotegravir, Delamanid. The full list is on the Carbamazepine page.
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