Drug interactions
Belzutifan + Clonazepam
Severity: Moderate
Belzutifan and Clonazepam: 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 induces CYP3A4 and may lower clonazepam exposure, potentially reducing seizure or panic control. The effect is likely modest.
What this interaction means in plain words
Belzutifan and Clonazepam 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; Clonazepam belongs to Central Nervous System.
Why it happens
Induction of CYP3A4 by belzutifan increases clonazepam clearance.
What to do
Monitor for loss of clonazepam efficacy and increase the dose if needed. Reassess the dose when belzutifan is stopped.
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 Clonazepam
- Calcium / magnesium / potassium / sodium oxybates + Clonazepam Contraindicated
- Clonazepam + Sodium oxybate Contraindicated
- Alfentanil + Clonazepam Major
- Alprazolam + Clonazepam Major
- Amobarbital + Clonazepam Major
- Belladonna and opium + Clonazepam Major
Other interactions of Belzutifan
Frequently asked questions
Can I take Belzutifan with Clonazepam?
MediHelp rates the interaction as moderate. Belzutifan and Clonazepam 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 induces CYP3A4 and may lower clonazepam exposure, potentially reducing seizure or panic control. The effect is likely modest.
How serious is the interaction between Belzutifan and Clonazepam?
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 loss of clonazepam efficacy and increase the dose if needed. Reassess the dose when belzutifan is stopped.
What other medicines interact with Clonazepam?
MediHelp also lists interactions of Clonazepam with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Alfentanil. The full list is on the Clonazepam page.
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