Drug interactions
Hydroxyzine + Sufentanil
Severity: Major
Hydroxyzine and Sufentanil: major interaction.
Last updated Sources: US FDA label
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
Combining a sedating antihistamine with an opioid increases sedation and may add to respiratory depression and hypotension. The effect is greater at higher doses and in frail or elderly patients.
What this interaction means in plain words
Hydroxyzine and Sufentanil 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.
Hydroxyzine belongs to Respiratory; Sufentanil belongs to Musculoskeletal.
Why it happens
Additive CNS and respiratory depression.
What to do
Use the lowest effective doses and monitor sedation level and respiratory rate. Reduce the opioid dose when hydroxyzine is given concurrently.
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?
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References
Other interactions of Hydroxyzine
- Droperidol + Hydroxyzine Contraindicated
- Hydroxyzine + Pimozide Contraindicated
- Hydroxyzine + Thioridazine Contraindicated
- Hydroxyzine + Vandetanib Contraindicated
- Alfentanil + Hydroxyzine Major
- Amiodarone + Hydroxyzine Major
Other interactions of Sufentanil
- Alprazolam + Sufentanil Major
- Amitriptyline + Sufentanil Major
- Amobarbital + Sufentanil Major
- Aripiprazole + Sufentanil Major
- Asenapine + Sufentanil Major
- Baclofen + Sufentanil Major
Frequently asked questions
Can I take Hydroxyzine with Sufentanil?
MediHelp rates the interaction as major. Hydroxyzine and Sufentanil 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. Combining a sedating antihistamine with an opioid increases sedation and may add to respiratory depression and hypotension. The effect is greater at higher doses and in frail or elderly patients.
How serious is the interaction between Hydroxyzine and Sufentanil?
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 level and respiratory rate. Reduce the opioid dose when hydroxyzine is given concurrently.
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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