Drug interactions
Escitalopram + Lefamulin
Severity: Major
Escitalopram and Lefamulin: 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
Lefamulin can prolong the QT interval and is a CYP3A4 inhibitor, and escitalopram also carries a dose-related risk of QT prolongation. Together they may increase the risk of arrhythmia including torsades de pointes.
What this interaction means in plain words
Escitalopram and Lefamulin 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.
Escitalopram belongs to Central Nervous System; Lefamulin belongs to Anti Bacterial.
Why it happens
Additive QT prolongation, with possible CYP3A4-mediated increase in escitalopram levels.
What to do
Use an alternative antibiotic if possible. If both are needed, obtain a baseline ECG, correct electrolytes and monitor 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 Escitalopram
- Cisapride + Escitalopram Contraindicated
- Citalopram + Escitalopram Contraindicated
- Escitalopram + Isocarboxazid Contraindicated
- Escitalopram + Methylene blue Contraindicated
- Escitalopram + Phenelzine Contraindicated
- Escitalopram + Pimozide Contraindicated
Other interactions of Lefamulin
- Lefamulin + Methadone Contraindicated
- Lefamulin + Pimavanserin Contraindicated
- Lefamulin + Pimozide Contraindicated
- Lefamulin + Quinidine Contraindicated
- Alfuzosin + Lefamulin Major
- Amiodarone + Lefamulin Major
Frequently asked questions
Can I take Escitalopram with Lefamulin?
MediHelp rates the interaction as major. Escitalopram and Lefamulin 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. Lefamulin can prolong the QT interval and is a CYP3A4 inhibitor, and escitalopram also carries a dose-related risk of QT prolongation. Together they may increase the risk of arrhythmia including torsades de pointes.
How serious is the interaction between Escitalopram and Lefamulin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use an alternative antibiotic if possible. If both are needed, obtain a baseline ECG, correct electrolytes and monitor QTc.
What other medicines interact with Escitalopram?
MediHelp also lists interactions of Escitalopram with, for example, Cisapride, Citalopram, Isocarboxazid. The full list is on the Escitalopram page.
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