Drug interactions
Amiodarone + Levoketoconazole
Severity: Contraindicated
Amiodarone and Levoketoconazole: contraindicated 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 prolong the QT interval, and levoketoconazole also inhibits CYP3A4 and may raise amiodarone concentrations. The combined effect increases the risk of torsades de pointes and other serious ventricular arrhythmias.
What this interaction means in plain words
Amiodarone and Levoketoconazole are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.
Amiodarone belongs to Cardiovascular; Levoketoconazole belongs to Endocrine.
Why it happens
Additive QT prolongation plus CYP3A4 inhibition by levoketoconazole reducing amiodarone metabolism.
What to do
Avoid concurrent use; choose an alternative antiarrhythmic or cortisol-lowering therapy. If unavoidable, obtain ECG monitoring and correct potassium and magnesium.
What to ask your pharmacist
- Is there an alternative to one of these two medicines for me?
- If both are essential, who is monitoring me and how often?
- Which symptoms mean I should stop and seek help straight away?
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Other interactions of Amiodarone
- Amiodarone + Amisulpride Contraindicated
- Amiodarone + Arsenic trioxide Contraindicated
- Amiodarone + Dofetilide Contraindicated
- Amiodarone + Dronedarone Contraindicated
- Amiodarone + Droperidol Contraindicated
- Amiodarone + Eliglustat Contraindicated
Other interactions of Levoketoconazole
- Alfuzosin + Levoketoconazole Contraindicated
- Alprazolam + Levoketoconazole Contraindicated
- Avanafil + Levoketoconazole Contraindicated
- Cisapride + Levoketoconazole Contraindicated
- Clarithromycin + Levoketoconazole Contraindicated
- Colchicine + Levoketoconazole Contraindicated
Frequently asked questions
Can I take Amiodarone with Levoketoconazole?
MediHelp rates the interaction as contraindicated. Amiodarone and Levoketoconazole are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Both drugs prolong the QT interval, and levoketoconazole also inhibits CYP3A4 and may raise amiodarone concentrations. The combined effect increases the risk of torsades de pointes and other serious ventricular arrhythmias.
How serious is the interaction between Amiodarone and Levoketoconazole?
MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use; choose an alternative antiarrhythmic or cortisol-lowering therapy. If unavoidable, obtain ECG monitoring and correct potassium and magnesium.
What other medicines interact with Amiodarone?
MediHelp also lists interactions of Amiodarone with, for example, Amisulpride, Arsenic trioxide, Dofetilide. The full list is on the Amiodarone page.
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