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Drug interactions

Benperidol + Codeine

Severity: Moderate

Benperidol and Codeine: 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

Benperidol is a butyrophenone antipsychotic with sedative and hypotensive properties. Combined with codeine it may cause additive sedation, respiratory depression and hypotension.

What this interaction means in plain words

Benperidol and Codeine 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: Moderate

Why it happens

Additive CNS depression and hypotension from opioid agonism and dopamine and adrenergic receptor blockade.

What to do

Monitor sedation, blood pressure and respiratory rate, and start with reduced doses of each agent. Counsel patients about impaired alertness.

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 Benperidol with Codeine?

MediHelp rates the interaction as moderate. Benperidol and Codeine 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. Benperidol is a butyrophenone antipsychotic with sedative and hypotensive properties. Combined with codeine it may cause additive sedation, respiratory depression and hypotension.

How serious is the interaction between Benperidol and Codeine?

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 sedation, blood pressure and respiratory rate, and start with reduced doses of each agent. Counsel patients about impaired alertness.

What other medicines interact with Codeine?

MediHelp also lists interactions of Codeine with, for example, Alvimopan, Isocarboxazid, Olanzapine / samidorphan. The full list is on the Codeine page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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