Drug interactions
Nalbuphine + Olanzapine
Severity: Moderate
Nalbuphine and Olanzapine: 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
Olanzapine is strongly sedating and, combined with an opioid, can cause excess drowsiness, orthostatic hypotension and respiratory depression. Older patients and those on other sedatives are at greater risk.
What this interaction means in plain words
Nalbuphine and Olanzapine 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.
Nalbuphine belongs to Musculoskeletal; Olanzapine belongs to Central Nervous System.
Why it happens
Additive central nervous system depression and hypotensive effects.
What to do
Use the lowest effective doses and monitor sedation, blood pressure and respiratory rate. Advise the patient to rise slowly and to avoid driving until the response is known.
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?
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Other interactions of Nalbuphine
- Alvimopan + Nalbuphine Contraindicated
- Nalbuphine + Olanzapine / samidorphan Contraindicated
- Alprazolam + Nalbuphine Major
- Amobarbital + Nalbuphine Major
- Benzhydrocodone / acetaminophen + Nalbuphine Major
- Brexanolone + Nalbuphine Major
Other interactions of Olanzapine
Frequently asked questions
Can I take Nalbuphine with Olanzapine?
MediHelp rates the interaction as moderate. Nalbuphine and Olanzapine 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. Olanzapine is strongly sedating and, combined with an opioid, can cause excess drowsiness, orthostatic hypotension and respiratory depression. Older patients and those on other sedatives are at greater risk.
How serious is the interaction between Nalbuphine and Olanzapine?
MediHelp rates it moderate, 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, blood pressure and respiratory rate. Advise the patient to rise slowly and to avoid driving until the response is known.
What other medicines interact with Nalbuphine?
MediHelp also lists interactions of Nalbuphine with, for example, Alvimopan, Olanzapine / samidorphan, Alprazolam. The full list is on the Nalbuphine page.
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