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Drug interactions

Clorazepate + Cobicistat

Severity: Moderate

Clorazepate and Cobicistat: 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

Cobicistat may increase concentrations of clorazepate's active metabolite and intensify sedation and respiratory depression. The risk is higher in older patients and at higher doses.

What this interaction means in plain words

Clorazepate and Cobicistat 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; Cobicistat belongs to Miscellaneous.

Evidence level: Moderate

Why it happens

Cobicistat is a strong CYP3A inhibitor and reduces clearance of nordiazepam.

What to do

Monitor for sedation and reduce the clorazepate dose if needed. Consider lorazepam as an alternative if sedation is excessive.

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 Cobicistat?

MediHelp rates the interaction as moderate. Clorazepate and Cobicistat 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. Cobicistat may increase concentrations of clorazepate's active metabolite and intensify sedation and respiratory depression. The risk is higher in older patients and at higher doses.

How serious is the interaction between Clorazepate and Cobicistat?

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 sedation and reduce the clorazepate dose if needed. Consider lorazepam as an alternative if sedation is excessive.

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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