Drug interactions
Methohexital + Zonisamide
Severity: Moderate
Methohexital 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
Methohexital is a barbiturate anesthetic that causes profound sedation and respiratory depression, and zonisamide may add to this. The effect matters in procedural sedation settings.
What this interaction means in plain words
Methohexital 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.
Methohexital belongs to Central Nervous System; Zonisamide belongs to Central Nervous System.
Why it happens
Additive central nervous system depression.
What to do
Titrate methohexital carefully and monitor airway, oxygenation and sedation depth. Inform the anesthesia team of zonisamide use before procedures.
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 Zonisamide
- Zonisamide + Zuranolone Major
- Acetazolamide + Zonisamide Moderate
- Amisulpride + Zonisamide Moderate
- Amobarbital + Zonisamide Moderate
- Apalutamide + Zonisamide Moderate
- Asenapine transdermal + Zonisamide Moderate
Other interactions of Methohexital
Frequently asked questions
Can I take Methohexital with Zonisamide?
MediHelp rates the interaction as moderate. Methohexital 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. Methohexital is a barbiturate anesthetic that causes profound sedation and respiratory depression, and zonisamide may add to this. The effect matters in procedural sedation settings.
How serious is the interaction between Methohexital 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: Titrate methohexital carefully and monitor airway, oxygenation and sedation depth. Inform the anesthesia team of zonisamide use before procedures.
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.
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