Drug interactions
Artemether + Asenapine
Severity: Major
Artemether and Asenapine: major 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
Artemether can prolong the QT interval and asenapine also has this effect, so the combination may raise the risk of serious ventricular arrhythmias.
What this interaction means in plain words
Artemether and Asenapine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive effects on cardiac repolarization.
What to do
Avoid if possible. If combined, obtain a baseline ECG, correct electrolyte abnormalities and monitor the QTc.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Asenapine
- Asenapine + Pimozide Contraindicated
- Asenapine + Thioridazine Contraindicated
- Asenapine + Vandetanib Contraindicated
- Adagrasib + Asenapine Major
- Alfentanil + Asenapine Major
- Alfuzosin + Asenapine Major
Frequently asked questions
Can I take Artemether with Asenapine?
MediHelp rates the interaction as major. Artemether and Asenapine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Artemether can prolong the QT interval and asenapine also has this effect, so the combination may raise the risk of serious ventricular arrhythmias.
How serious is the interaction between Artemether and Asenapine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if possible. If combined, obtain a baseline ECG, correct electrolyte abnormalities and monitor the QTc.
What other medicines interact with Asenapine?
MediHelp also lists interactions of Asenapine with, for example, Pimozide, Thioridazine, Vandetanib. The full list is on the Asenapine page.
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