Drug interactions
Belzutifan + Clorazepate
Severity: Moderate
Belzutifan and Clorazepate: 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 may lower exposure to CYP3A4-metabolised drugs and could reduce the anxiolytic or anticonvulsant effect of clorazepate. Loss of seizure or anxiety control is the main concern.
What this interaction means in plain words
Belzutifan and Clorazepate 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; Clorazepate belongs to Central Nervous System.
Why it happens
Belzutifan induces CYP3A4, increasing metabolism of clorazepate's active metabolite.
What to do
Monitor clinical response, especially seizure control, and increase the clorazepate dose if efficacy falls. Adjust again if 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 Clorazepate
- Calcium / magnesium / potassium / sodium oxybates + Clorazepate Contraindicated
- Clorazepate + Sodium oxybate Contraindicated
- Alfentanil + Clorazepate Major
- Alprazolam + Clorazepate Major
- Amobarbital + Clorazepate Major
- Belladonna and opium + Clorazepate Major
Other interactions of Belzutifan
Frequently asked questions
Can I take Belzutifan with Clorazepate?
MediHelp rates the interaction as moderate. Belzutifan and Clorazepate 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 may lower exposure to CYP3A4-metabolised drugs and could reduce the anxiolytic or anticonvulsant effect of clorazepate. Loss of seizure or anxiety control is the main concern.
How serious is the interaction between Belzutifan and Clorazepate?
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 clinical response, especially seizure control, and increase the clorazepate dose if efficacy falls. Adjust again if belzutifan is stopped.
What other medicines interact with Clorazepate?
MediHelp also lists interactions of Clorazepate with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Alfentanil. The full list is on the Clorazepate page.
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