Drug interactions
Ketamine + Nalbuphine
Severity: Moderate
Ketamine and Nalbuphine: 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
Both drugs cause CNS depression, so together they can deepen sedation and increase the risk of respiratory depression. Opioids may also prolong recovery from ketamine anesthesia.
What this interaction means in plain words
Ketamine and Nalbuphine 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.
Ketamine belongs to Central Nervous System; Nalbuphine belongs to Musculoskeletal.
Why it happens
Additive CNS depression from opioid receptor activity and NMDA receptor antagonism.
What to do
Titrate each drug carefully and monitor sedation depth, oxygen saturation and respiration. Ensure airway management capability when used for procedural sedation.
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 Ketamine
Frequently asked questions
Can I take Ketamine with Nalbuphine?
MediHelp rates the interaction as moderate. Ketamine and Nalbuphine 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. Both drugs cause CNS depression, so together they can deepen sedation and increase the risk of respiratory depression. Opioids may also prolong recovery from ketamine anesthesia.
How serious is the interaction between Ketamine and Nalbuphine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Titrate each drug carefully and monitor sedation depth, oxygen saturation and respiration. Ensure airway management capability when used for procedural sedation.
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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