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Drug interactions

Benperidol + Cyclizine

Severity: Moderate

Benperidol and Cyclizine: 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 cause sedation and anticholinergic effects, so combined use can increase drowsiness, confusion and antimuscarinic adverse effects. Cyclizine may also blunt the antipsychotic's effect or mask extrapyramidal symptoms.

What this interaction means in plain words

Benperidol and Cyclizine 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.

Evidence level: Low

Why it happens

Additive H1 and muscarinic blockade with CNS depression; possible pharmacodynamic opposition at dopamine pathways.

What to do

Monitor for oversedation, anticholinergic toxicity and loss of psychiatric control, and avoid routine co-prescription in older patients.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Benperidol with Cyclizine?

MediHelp rates the interaction as moderate. Benperidol and Cyclizine 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 cause sedation and anticholinergic effects, so combined use can increase drowsiness, confusion and antimuscarinic adverse effects. Cyclizine may also blunt the antipsychotic's effect or mask extrapyramidal symptoms.

How serious is the interaction between Benperidol and Cyclizine?

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, anticholinergic toxicity and loss of psychiatric control, and avoid routine co-prescription in older patients.

What other medicines interact with Cyclizine?

MediHelp also lists interactions of Cyclizine with, for example, Calcium / magnesium / potassium / sodium oxybates, Henbane, Sodium oxybate. The full list is on the Cyclizine page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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