Drug interactions
Benperidol + Orphenadrin
Severity: Moderate
Benperidol and Orphenadrin: 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 can cause sedation and have anticholinergic properties, so combined use may increase drowsiness and impair psychomotor performance. Anticholinergic burden such as confusion, dry mouth and urinary retention may also increase.
What this interaction means in plain words
Benperidol and Orphenadrin 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 CNS depressant and antimuscarinic effects.
What to do
Monitor for oversedation and anticholinergic effects and counsel patients about driving and machinery. Reduce the dose of one agent if excessive sedation occurs.
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 Orphenadrin
Frequently asked questions
Can I take Benperidol with Orphenadrin?
MediHelp rates the interaction as moderate. Benperidol and Orphenadrin 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 can cause sedation and have anticholinergic properties, so combined use may increase drowsiness and impair psychomotor performance. Anticholinergic burden such as confusion, dry mouth and urinary retention may also increase.
How serious is the interaction between Benperidol and Orphenadrin?
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 oversedation and anticholinergic effects and counsel patients about driving and machinery. Reduce the dose of one agent if excessive sedation occurs.
What other medicines interact with Orphenadrin?
MediHelp also lists interactions of Orphenadrin with, for example, Alfentanil, Amobarbital, Benzhydrocodone / acetaminophen. The full list is on the Orphenadrin page.
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