Drug interactions
Escitalopram + Levofloxacin
Severity: Major
Escitalopram and Levofloxacin: 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
Escitalopram causes dose-dependent QT prolongation and levofloxacin has similar effects, so the combination raises the risk of torsades de pointes. Risk factors include older age, hypokalemia, hepatic impairment and structural heart disease.
What this interaction means in plain words
Escitalopram and Levofloxacin 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; Levofloxacin belongs to Anti Bacterial.
Why it happens
Additive hERG potassium channel blockade leading to QT prolongation.
What to do
Use an alternative antibiotic where possible; if unavoidable, check ECG and electrolytes and monitor the QTc. Do not exceed recommended escitalopram doses.
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 Levofloxacin
- Dronedarone + Levofloxacin Contraindicated
- Ibutilide + Levofloxacin Contraindicated
- Levofloxacin + Thioridazine Contraindicated
- Levofloxacin + Vandetanib Contraindicated
- Levofloxacin + Ziprasidone Contraindicated
- Adagrasib + Levofloxacin Major
Other interactions of Escitalopram
- Cisapride + Escitalopram Contraindicated
- Citalopram + Escitalopram Contraindicated
- Escitalopram + Isocarboxazid Contraindicated
- Escitalopram + Methylene blue Contraindicated
- Escitalopram + Phenelzine Contraindicated
- Escitalopram + Pimozide Contraindicated
Frequently asked questions
Can I take Escitalopram with Levofloxacin?
MediHelp rates the interaction as major. Escitalopram and Levofloxacin 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 causes dose-dependent QT prolongation and levofloxacin has similar effects, so the combination raises the risk of torsades de pointes. Risk factors include older age, hypokalemia, hepatic impairment and structural heart disease.
How serious is the interaction between Escitalopram and Levofloxacin?
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 where possible; if unavoidable, check ECG and electrolytes and monitor the QTc. Do not exceed recommended escitalopram doses.
What other medicines interact with Levofloxacin?
MediHelp also lists interactions of Levofloxacin with, for example, Dronedarone, Ibutilide, Thioridazine. The full list is on the Levofloxacin page.
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