Drug interactions
Benperidol + Lofexidine
Severity: Moderate
Benperidol and Lofexidine: 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
Benperidol is a potent antipsychotic that causes sedation, hypotension and QT prolongation. Combined with lofexidine, additive sedation, hypotension and arrhythmic risk may occur.
What this interaction means in plain words
Benperidol and Lofexidine 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 and QT prolongation.
What to do
Monitor ECG, blood pressure and sedation, and keep electrolytes normal.
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 Lofexidine
- Adagrasib + Lofexidine Major
- Alfuzosin + Lofexidine Major
- Amiodarone + Lofexidine Major
- Amisulpride + Lofexidine Major
- Anagrelide + Lofexidine Major
- Apomorphine + Lofexidine Major
Frequently asked questions
Can I take Benperidol with Lofexidine?
MediHelp rates the interaction as moderate. Benperidol and Lofexidine 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. Benperidol is a potent antipsychotic that causes sedation, hypotension and QT prolongation. Combined with lofexidine, additive sedation, hypotension and arrhythmic risk may occur.
How serious is the interaction between Benperidol and Lofexidine?
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 ECG, blood pressure and sedation, and keep electrolytes normal.
What other medicines interact with Lofexidine?
MediHelp also lists interactions of Lofexidine with, for example, Adagrasib, Alfuzosin, Amiodarone. The full list is on the Lofexidine page.
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