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Drug interactions

Papaveretum + Quetiapine

Severity: Major

Papaveretum and Quetiapine: 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 opioids (mainly morphine), which add to the sedative effect of quetiapine. The combination can cause profound sedation, hypotension and respiratory depression.

What this interaction means in plain words

Papaveretum and Quetiapine 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 the lowest effective doses and monitor sedation, respiratory rate and blood pressure. Avoid alcohol and other depressants.

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 Quetiapine?

MediHelp rates the interaction as major. Papaveretum and Quetiapine 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 opioids (mainly morphine), which add to the sedative effect of quetiapine. The combination can cause profound sedation, hypotension and respiratory depression.

How serious is the interaction between Papaveretum and Quetiapine?

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 the lowest effective doses and monitor sedation, respiratory rate and blood pressure. Avoid alcohol and other depressants.

What other medicines interact with Quetiapine?

MediHelp also lists interactions of Quetiapine with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Quetiapine page.

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

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