Drug interactions
Daridorexant + Mirtazapine
Severity: Moderate
Daridorexant and Mirtazapine: 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 cause sedation, so together they may increase somnolence and impair psychomotor performance, including next-day driving ability. The risk is greater at higher doses.
What this interaction means in plain words
Daridorexant and Mirtazapine 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.
Daridorexant belongs to Central Nervous System; Mirtazapine belongs to Central Nervous System.
Why it happens
Additive CNS depression from orexin receptor antagonism and histamine H1 antagonism by mirtazapine.
What to do
Use the lowest effective daridorexant dose and counsel patients about next-day impairment. Reduce doses if excessive sedation occurs.
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 Mirtazapine
- Isocarboxazid + Mirtazapine Contraindicated
- Mirtazapine + Phenelzine Contraindicated
- Mirtazapine + Pimozide Contraindicated
- Mirtazapine + Procarbazine Contraindicated
- Mirtazapine + Rasagiline Contraindicated
- Mirtazapine + Selegiline Contraindicated
Other interactions of Daridorexant
Frequently asked questions
Can I take Daridorexant with Mirtazapine?
MediHelp rates the interaction as moderate. Daridorexant and Mirtazapine 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 cause sedation, so together they may increase somnolence and impair psychomotor performance, including next-day driving ability. The risk is greater at higher doses.
How serious is the interaction between Daridorexant and Mirtazapine?
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 daridorexant dose and counsel patients about next-day impairment. Reduce doses if excessive sedation occurs.
What other medicines interact with Mirtazapine?
MediHelp also lists interactions of Mirtazapine with, for example, Isocarboxazid, Phenelzine, Pimozide. The full list is on the Mirtazapine page.
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