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Drug interactions

Hydroxyzine + Papaveretum

Severity: Major

Hydroxyzine and Papaveretum: 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 such as morphine, and with hydroxyzine may give additive sedation and respiratory depression. Hydroxyzine is sometimes used with opioids deliberately but dosing needs care.

What this interaction means in plain words

Hydroxyzine and Papaveretum 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 from opioid agonism and H1 antagonism.

What to do

Use reduced doses of each and monitor respiratory rate and level of sedation, especially in elderly or opioid-naive patients.

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 Hydroxyzine with Papaveretum?

MediHelp rates the interaction as major. Hydroxyzine and Papaveretum 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 such as morphine, and with hydroxyzine may give additive sedation and respiratory depression. Hydroxyzine is sometimes used with opioids deliberately but dosing needs care.

How serious is the interaction between Hydroxyzine and Papaveretum?

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 doses of each and monitor respiratory rate and level of sedation, especially in elderly or opioid-naive patients.

What other medicines interact with Hydroxyzine?

MediHelp also lists interactions of Hydroxyzine with, for example, Droperidol, Pimozide, Thioridazine. The full list is on the Hydroxyzine page.

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