Drug interactions
Benperidol + Ziprasidone
Severity: Major
Benperidol and Ziprasidone: major 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 are dopamine-blocking antipsychotics, and using them together increases the risk of extrapyramidal symptoms, sedation and neuroleptic malignant syndrome. Benperidol is a potent butyrophenone, and the combination offers little benefit over a single agent.
What this interaction means in plain words
Benperidol and Ziprasidone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive dopamine D2 receptor antagonism and additive QT and sedative effects.
What to do
Avoid concurrent use of two antipsychotics where possible. If unavoidable, use the lowest doses and monitor for rigidity, hyperthermia, movement disorders and ECG changes.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Ziprasidone
- Amiodarone + Ziprasidone Contraindicated
- Amitriptyline + Ziprasidone Contraindicated
- Arsenic trioxide + Ziprasidone Contraindicated
- Bedaquiline + Ziprasidone Contraindicated
- Chloroquine + Ziprasidone Contraindicated
- Citalopram + Ziprasidone Contraindicated
Frequently asked questions
Can I take Benperidol with Ziprasidone?
MediHelp rates the interaction as major. Benperidol and Ziprasidone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both are dopamine-blocking antipsychotics, and using them together increases the risk of extrapyramidal symptoms, sedation and neuroleptic malignant syndrome. Benperidol is a potent butyrophenone, and the combination offers little benefit over a single agent.
How serious is the interaction between Benperidol and Ziprasidone?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use of two antipsychotics where possible. If unavoidable, use the lowest doses and monitor for rigidity, hyperthermia, movement disorders and ECG changes.
What other medicines interact with Ziprasidone?
MediHelp also lists interactions of Ziprasidone with, for example, Amiodarone, Amitriptyline, Arsenic trioxide. The full list is on the Ziprasidone page.
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