Drug interactions
Loprazolam + Risperidone
Severity: Moderate
Loprazolam and Risperidone: 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 depress the central nervous system, so taking them together can increase drowsiness, dizziness, impaired psychomotor performance and fall risk. Elderly patients and those with respiratory compromise are most vulnerable.
What this interaction means in plain words
Loprazolam and Risperidone 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 through benzodiazepine GABA-A potentiation and antipsychotic sedative effects (histamine H1 and alpha-1 blockade).
What to do
Start with the lowest effective benzodiazepine dose and limit treatment duration. Counsel patients about driving and operating machinery and monitor for oversedation and falls.
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 Risperidone
- Ibutilide + Risperidone Contraindicated
- Risperidone + Vandetanib Contraindicated
- Adagrasib + Risperidone Major
- Amiodarone + Risperidone Major
- Amisulpride + Risperidone Major
- Amoxapine + Risperidone Major
Frequently asked questions
Can I take Loprazolam with Risperidone?
MediHelp rates the interaction as moderate. Loprazolam and Risperidone 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 depress the central nervous system, so taking them together can increase drowsiness, dizziness, impaired psychomotor performance and fall risk. Elderly patients and those with respiratory compromise are most vulnerable.
How serious is the interaction between Loprazolam and Risperidone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Start with the lowest effective benzodiazepine dose and limit treatment duration. Counsel patients about driving and operating machinery and monitor for oversedation and falls.
What other medicines interact with Risperidone?
MediHelp also lists interactions of Risperidone with, for example, Ibutilide, Vandetanib, Adagrasib. The full list is on the Risperidone page.
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