Drug interactions
Benperidol + Dimenhydrinate
Severity: Moderate
Benperidol and Dimenhydrinate: 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
Combined use increases sedation and psychomotor impairment. Additive anticholinergic and hypotensive effects can also occur.
What this interaction means in plain words
Benperidol and Dimenhydrinate 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 depression from H1-receptor antagonism and antipsychotic activity.
What to do
Monitor for oversedation, confusion and postural hypotension. Reduce doses or select a non-sedating alternative if impairment 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 Dimenhydrinate
Frequently asked questions
Can I take Benperidol with Dimenhydrinate?
MediHelp rates the interaction as moderate. Benperidol and Dimenhydrinate 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. Combined use increases sedation and psychomotor impairment. Additive anticholinergic and hypotensive effects can also occur.
How serious is the interaction between Benperidol and Dimenhydrinate?
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, confusion and postural hypotension. Reduce doses or select a non-sedating alternative if impairment occurs.
What other medicines interact with Dimenhydrinate?
MediHelp also lists interactions of Dimenhydrinate with, for example, Belladonna and opium, Brexanolone, Calcium / magnesium / potassium / sodium oxybates. The full list is on the Dimenhydrinate page.
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