Drug interactions
Buprenorphine transdermal + Diphenoxylate-atropine
Severity: Moderate
Buprenorphine transdermal and Diphenoxylate-atropine: 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 agents act on opioid receptors, so concurrent use may increase sedation and respiratory depression. Atropine may add to constipation and urinary retention.
What this interaction means in plain words
Buprenorphine transdermal and Diphenoxylate-atropine 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.
Why it happens
Additive opioid-mediated CNS depression and antimuscarinic effects.
What to do
Limit diphenoxylate-atropine to the lowest dose and shortest duration, and monitor for sedation, respiratory depression and constipation.
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 Diphenoxylate-atropine
- Diphenoxylate-atropine + Isocarboxazid Contraindicated
- Diphenoxylate-atropine + Phenelzine Contraindicated
- Diphenoxylate-atropine + Tranylcypromine Contraindicated
- Alfentanil + Diphenoxylate-atropine Major
- Alvimopan + Diphenoxylate-atropine Major
- Amitriptyline + Diphenoxylate-atropine Major
Frequently asked questions
Can I take Buprenorphine transdermal with Diphenoxylate-atropine?
MediHelp rates the interaction as moderate. Buprenorphine transdermal and Diphenoxylate-atropine 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 agents act on opioid receptors, so concurrent use may increase sedation and respiratory depression. Atropine may add to constipation and urinary retention.
How serious is the interaction between Buprenorphine transdermal and Diphenoxylate-atropine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Limit diphenoxylate-atropine to the lowest dose and shortest duration, and monitor for sedation, respiratory depression and constipation.
What other medicines interact with Diphenoxylate-atropine?
MediHelp also lists interactions of Diphenoxylate-atropine with, for example, Isocarboxazid, Phenelzine, Tranylcypromine. The full list is on the Diphenoxylate-atropine page.
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