Drug interactions
Alprazolam + Risperidone
Severity: Moderate
Alprazolam 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
The combination may cause additive sedation, dizziness and orthostatic hypotension, raising the risk of falls and impaired alertness. Older patients and those with dementia are especially vulnerable.
What this interaction means in plain words
Alprazolam 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.
Alprazolam belongs to Central Nervous System; Risperidone belongs to Central Nervous System.
Why it happens
Additive CNS depression and alpha-1 blockade combined with GABA-A potentiation.
What to do
Use the lowest effective doses and monitor sedation and orthostatic blood pressure. Advise on driving and alcohol.
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 Alprazolam
- Alprazolam + Calcium / magnesium / potassium / sodium oxybates Contraindicated
- Alprazolam + Itraconazole Contraindicated
- Alprazolam + Ketoconazole Contraindicated
- Alprazolam + Levoketoconazole Contraindicated
- Alprazolam + Sodium oxybate Contraindicated
- Alfentanil + Alprazolam Major
Other interactions of Risperidone
- Adagrasib + Risperidone Major
Frequently asked questions
Can I take Alprazolam with Risperidone?
MediHelp rates the interaction as moderate. Alprazolam 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. The combination may cause additive sedation, dizziness and orthostatic hypotension, raising the risk of falls and impaired alertness. Older patients and those with dementia are especially vulnerable.
How serious is the interaction between Alprazolam 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: Use the lowest effective doses and monitor sedation and orthostatic blood pressure. Advise on driving and alcohol.
What other medicines interact with Alprazolam?
MediHelp also lists interactions of Alprazolam with, for example, Calcium / magnesium / potassium / sodium oxybates, Itraconazole, Ketoconazole. The full list is on the Alprazolam page.
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