Drug interactions
Benztropine + Oliceridine
Severity: Moderate
Benztropine and Oliceridine: 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
Opioids slow gut motility and can cause urinary retention, and benztropine has the same effects. Together they raise the risk of severe constipation, paralytic ileus and urinary retention, and may add to sedation.
What this interaction means in plain words
Benztropine and Oliceridine 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.
Benztropine belongs to Central Nervous System; Oliceridine belongs to Musculoskeletal.
Why it happens
Additive reduction in gastrointestinal and bladder motility through opioid and muscarinic receptor effects.
What to do
Monitor for urinary retention, constipation and reduced bowel sounds. Use a prophylactic bowel regimen and stop or reduce the anticholinergic if ileus is suspected.
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 Benztropine
- Benztropine + Memantine-donepezil Major
- Abobotulinumtoxina + Benztropine Moderate
- Amantadine + Benztropine Moderate
- Amitriptyline + Benztropine Moderate
- Amoxapine + Benztropine Moderate
- Atropine iv / + Benztropine Moderate
Other interactions of Oliceridine
- Isocarboxazid + Oliceridine Contraindicated
- Alprazolam + Oliceridine Major
- Amiodarone + Oliceridine Major
- Amisulpride + Oliceridine Major
- Amitriptyline + Oliceridine Major
- Amobarbital + Oliceridine Major
Frequently asked questions
Can I take Benztropine with Oliceridine?
MediHelp rates the interaction as moderate. Benztropine and Oliceridine 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. Opioids slow gut motility and can cause urinary retention, and benztropine has the same effects. Together they raise the risk of severe constipation, paralytic ileus and urinary retention, and may add to sedation.
How serious is the interaction between Benztropine and Oliceridine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for urinary retention, constipation and reduced bowel sounds. Use a prophylactic bowel regimen and stop or reduce the anticholinergic if ileus is suspected.
What other medicines interact with Benztropine?
MediHelp also lists interactions of Benztropine with, for example, Memantine-donepezil, Abobotulinumtoxina, Amantadine. The full list is on the Benztropine page.
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