Drug interactions
Lemborexant + Quetiapine
Severity: Moderate
Lemborexant and Quetiapine: 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 agents cause sedation, so combined use may increase somnolence and next-day impairment of alertness and coordination. Falls and driving impairment are the main concerns.
What this interaction means in plain words
Lemborexant and Quetiapine 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.
Lemborexant belongs to Central Nervous System; Quetiapine belongs to Central Nervous System.
Why it happens
Additive CNS depression via orexin receptor antagonism and quetiapine's antihistaminic and antiadrenergic effects.
What to do
Use the lowest effective lemborexant dose and monitor for daytime sedation. Counsel patients on driving and fall risk.
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 Quetiapine
- Adagrasib + Quetiapine Major
- Amiodarone + Quetiapine Major
- Amisulpride + Quetiapine Major
- Amoxapine + Quetiapine Major
- Anagrelide + Quetiapine Major
- Apalutamide + Quetiapine Major
Other interactions of Lemborexant
Frequently asked questions
Can I take Lemborexant with Quetiapine?
MediHelp rates the interaction as moderate. Lemborexant and Quetiapine 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 agents cause sedation, so combined use may increase somnolence and next-day impairment of alertness and coordination. Falls and driving impairment are the main concerns.
How serious is the interaction between Lemborexant and Quetiapine?
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 lemborexant dose and monitor for daytime sedation. Counsel patients on driving and fall risk.
What other medicines interact with Quetiapine?
MediHelp also lists interactions of Quetiapine with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Quetiapine page.
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