Drug interactions
Deutetrabenazine + Zonisamide
Severity: Moderate
Deutetrabenazine and Zonisamide: 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 can cause somnolence and fatigue, so together they may produce more marked sedation. This can affect daily function and driving.
What this interaction means in plain words
Deutetrabenazine and Zonisamide 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.
Deutetrabenazine belongs to Central Nervous System; Zonisamide belongs to Central Nervous System.
Why it happens
Additive central nervous system depressant effects.
What to do
Monitor for excessive sedation and mood effects, particularly during dose titration. Reduce the dose of either drug if sedation interferes with function.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Deutetrabenazine and Zonisamide, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Zonisamide
- Zonisamide + Zuranolone Major
- Acetazolamide + Zonisamide Moderate
- Amisulpride + Zonisamide Moderate
- Amobarbital + Zonisamide Moderate
- Apalutamide + Zonisamide Moderate
- Asenapine transdermal + Zonisamide Moderate
Other interactions of Deutetrabenazine
- Deutetrabenazine + Isocarboxazid Contraindicated
- Deutetrabenazine + Linezolid Contraindicated
- Deutetrabenazine + Phenelzine Contraindicated
- Deutetrabenazine + Rasagiline Contraindicated
- Deutetrabenazine + Safinamide Contraindicated
- Deutetrabenazine + Selegiline Contraindicated
Frequently asked questions
Can I take Deutetrabenazine with Zonisamide?
MediHelp rates the interaction as moderate. Deutetrabenazine and Zonisamide 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 can cause somnolence and fatigue, so together they may produce more marked sedation. This can affect daily function and driving.
How serious is the interaction between Deutetrabenazine and Zonisamide?
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 excessive sedation and mood effects, particularly during dose titration. Reduce the dose of either drug if sedation interferes with function.
What other medicines interact with Zonisamide?
MediHelp also lists interactions of Zonisamide with, for example, Zuranolone, Acetazolamide, Amisulpride. The full list is on the Zonisamide page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
