Drug interactions
Olanzapine / samidorphan + Zaleplon
Severity: Moderate
Olanzapine / samidorphan and Zaleplon: 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
Olanzapine is sedating and can cause orthostatic hypotension, and zaleplon adds CNS depression. Together they may increase drowsiness, dizziness and the risk of falls.
What this interaction means in plain words
Olanzapine / samidorphan and Zaleplon 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 pharmacodynamic CNS depression and hypotensive effects.
What to do
Monitor for sedation and orthostatic symptoms, especially at initiation and after dose changes. Counsel the patient on fall risk and reduce the zaleplon dose if needed.
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 Zaleplon
- Calcium / magnesium / potassium / sodium oxybates + Zaleplon Contraindicated
- Sodium oxybate + Zaleplon Contraindicated
- Brexanolone + Zaleplon Major
- Buprenorphine long-acting + Zaleplon Major
- Buprenorphine subdermal implant + Zaleplon Major
- Buprenorphine transdermal + Zaleplon Major
Frequently asked questions
Can I take Olanzapine / samidorphan with Zaleplon?
MediHelp rates the interaction as moderate. Olanzapine / samidorphan and Zaleplon 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. Olanzapine is sedating and can cause orthostatic hypotension, and zaleplon adds CNS depression. Together they may increase drowsiness, dizziness and the risk of falls.
How serious is the interaction between Olanzapine / samidorphan and Zaleplon?
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 sedation and orthostatic symptoms, especially at initiation and after dose changes. Counsel the patient on fall risk and reduce the zaleplon dose if needed.
What other medicines interact with Zaleplon?
MediHelp also lists interactions of Zaleplon with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Brexanolone. The full list is on the Zaleplon page.
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