Drug interactions
Difenoxin + Nalbuphine
Severity: Moderate
Difenoxin 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
Difenoxin is the active metabolite of diphenoxylate, an opioid antidiarrheal. Nalbuphine can add to its sedation, and in opioid-dependent patients its antagonist activity may precipitate withdrawal.
What this interaction means in plain words
Difenoxin 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.
Difenoxin belongs to Gastrointestinal Tract; Nalbuphine belongs to Musculoskeletal.
Why it happens
Additive opioid CNS depression combined with mixed agonist-antagonist activity at mu receptors.
What to do
Avoid the combination in opioid-dependent patients. Otherwise monitor for sedation and withdrawal symptoms.
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 Difenoxin
Frequently asked questions
Can I take Difenoxin with Nalbuphine?
MediHelp rates the interaction as moderate. Difenoxin 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. Difenoxin is the active metabolite of diphenoxylate, an opioid antidiarrheal. Nalbuphine can add to its sedation, and in opioid-dependent patients its antagonist activity may precipitate withdrawal.
How serious is the interaction between Difenoxin 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: Avoid the combination in opioid-dependent patients. Otherwise monitor for sedation and withdrawal symptoms.
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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