Drug interactions
Quetiapine + Sevoflurane
Severity: Moderate
Quetiapine and Sevoflurane: 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
Sevoflurane can prolong the QT interval and quetiapine adds similar risk. Together they may increase the likelihood of ventricular arrhythmias around anesthesia.
What this interaction means in plain words
Quetiapine and Sevoflurane 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.
Quetiapine belongs to Central Nervous System; Sevoflurane belongs to Central Nervous System.
Why it happens
Additive prolongation of cardiac repolarization (QTc).
What to do
Check baseline QTc and correct electrolytes before surgery. Monitor the ECG perioperatively and avoid other QT-prolonging agents such as certain antiemetics where possible.
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 Sevoflurane
Frequently asked questions
Can I take Quetiapine with Sevoflurane?
MediHelp rates the interaction as moderate. Quetiapine and Sevoflurane 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. Sevoflurane can prolong the QT interval and quetiapine adds similar risk. Together they may increase the likelihood of ventricular arrhythmias around anesthesia.
How serious is the interaction between Quetiapine and Sevoflurane?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check baseline QTc and correct electrolytes before surgery. Monitor the ECG perioperatively and avoid other QT-prolonging agents such as certain antiemetics where possible.
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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