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Drug interactions

Clorazepate + Darunavir

Severity: Moderate

Clorazepate and Darunavir: 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

Boosted darunavir may increase concentrations of clorazepate's active metabolite and cause more sedation. Respiratory depression is possible at high doses.

What this interaction means in plain words

Clorazepate and Darunavir 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.

Clorazepate belongs to Central Nervous System; Darunavir belongs to Anti Virals.

Evidence level: Moderate

Why it happens

Darunavir with ritonavir or cobicistat inhibits CYP3A4, reducing clearance of nordiazepam.

What to do

Monitor for oversedation and consider reducing the clorazepate dose. Lorazepam is an alternative that avoids CYP3A4-based interaction.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Clorazepate with Darunavir?

MediHelp rates the interaction as moderate. Clorazepate and Darunavir 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. Boosted darunavir may increase concentrations of clorazepate's active metabolite and cause more sedation. Respiratory depression is possible at high doses.

How serious is the interaction between Clorazepate and Darunavir?

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 oversedation and consider reducing the clorazepate dose. Lorazepam is an alternative that avoids CYP3A4-based interaction.

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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