Drug interactions
Mirtazapine + Sevoflurane
Severity: Minor
Mirtazapine and Sevoflurane: minor 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
Sevoflurane can prolong the QT interval, and mirtazapine may add a small effect. The clinical risk is generally low but can matter in patients with other arrhythmia risk factors.
What this interaction means in plain words
Mirtazapine and Sevoflurane have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Mirtazapine belongs to Central Nervous System; Sevoflurane belongs to Central Nervous System.
Why it happens
Possible additive QT prolongation.
What to do
Continue mirtazapine unless other risk factors exist. In high-risk patients, check ECG and electrolytes and monitor rhythm during anesthesia.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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 Sevoflurane
Frequently asked questions
Can I take Mirtazapine with Sevoflurane?
MediHelp rates the interaction as minor. Mirtazapine and Sevoflurane have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Sevoflurane can prolong the QT interval, and mirtazapine may add a small effect. The clinical risk is generally low but can matter in patients with other arrhythmia risk factors.
How serious is the interaction between Mirtazapine and Sevoflurane?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Continue mirtazapine unless other risk factors exist. In high-risk patients, check ECG and electrolytes and monitor rhythm during anesthesia.
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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