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Drug interactions

Diazepam + Loprazolam

Severity: Moderate

Diazepam and Loprazolam: 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

Two benzodiazepines together produce additive sedation, impaired alertness and risk of respiratory depression, without therapeutic benefit.

What this interaction means in plain words

Diazepam and Loprazolam 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.

Evidence level: High

Why it happens

Additive GABA-A receptor potentiation by two benzodiazepines.

What to do

Avoid concurrent use; keep a single benzodiazepine at the lowest effective dose and monitor sedation if overlap is unavoidable.

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 Diazepam with Loprazolam?

MediHelp rates the interaction as moderate. Diazepam and Loprazolam 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. Two benzodiazepines together produce additive sedation, impaired alertness and risk of respiratory depression, without therapeutic benefit.

How serious is the interaction between Diazepam and Loprazolam?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use; keep a single benzodiazepine at the lowest effective dose and monitor sedation if overlap is unavoidable.

What other medicines interact with Diazepam?

MediHelp also lists interactions of Diazepam with, for example, Calcium / magnesium / potassium / sodium oxybates, Alfentanil, Alprazolam. The full list is on the Diazepam page.

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