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Drug interactions

Papaveretum + Prochlorperazine

Severity: Major

Papaveretum and Prochlorperazine: major 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

Papaveretum contains opium alkaloids including morphine, which cause sedation and respiratory depression. Prochlorperazine adds CNS depression and hypotension, raising the risk of excessive sedation.

What this interaction means in plain words

Papaveretum and Prochlorperazine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Evidence level: Moderate

Why it happens

Additive CNS and respiratory depression.

What to do

Use reduced starting doses and monitor sedation, respiratory rate and blood pressure. Have naloxone and monitoring available in the perioperative or palliative setting.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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 Papaveretum with Prochlorperazine?

MediHelp rates the interaction as major. Papaveretum and Prochlorperazine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Papaveretum contains opium alkaloids including morphine, which cause sedation and respiratory depression. Prochlorperazine adds CNS depression and hypotension, raising the risk of excessive sedation.

How serious is the interaction between Papaveretum and Prochlorperazine?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use reduced starting doses and monitor sedation, respiratory rate and blood pressure. Have naloxone and monitoring available in the perioperative or palliative setting.

What other medicines interact with Prochlorperazine?

MediHelp also lists interactions of Prochlorperazine with, for example, Dronedarone, Ibutilide, Nilotinib. The full list is on the Prochlorperazine page.

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