Drug interactions
Escitalopram + Ranolazine
Severity: Moderate
Escitalopram and Ranolazine: 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
Both drugs can prolong the QT interval, and combined use may add to the risk of torsades de pointes. Risk is greater with higher escitalopram doses, electrolyte disturbances, bradycardia, structural heart disease or hepatic or renal impairment.
What this interaction means in plain words
Escitalopram and Ranolazine 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.
Escitalopram belongs to Central Nervous System; Ranolazine belongs to Cardiovascular.
Why it happens
Additive pharmacodynamic QTc prolongation from ranolazine and escitalopram.
What to do
Obtain a baseline ECG and correct potassium and magnesium before combining. Repeat the ECG after dose changes and keep escitalopram at the lowest effective dose.
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 Ranolazine
- Adagrasib + Ranolazine Contraindicated
- Amobarbital + Ranolazine Contraindicated
- Apalutamide + Ranolazine Contraindicated
- Butabarbital + Ranolazine Contraindicated
- Carbamazepine + Ranolazine Contraindicated
- Clarithromycin + Ranolazine Contraindicated
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 Ranolazine?
MediHelp rates the interaction as moderate. Escitalopram and Ranolazine 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. Both drugs can prolong the QT interval, and combined use may add to the risk of torsades de pointes. Risk is greater with higher escitalopram doses, electrolyte disturbances, bradycardia, structural heart disease or hepatic or renal impairment.
How serious is the interaction between Escitalopram and Ranolazine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and correct potassium and magnesium before combining. Repeat the ECG after dose changes and keep escitalopram at the lowest effective dose.
What other medicines interact with Ranolazine?
MediHelp also lists interactions of Ranolazine with, for example, Adagrasib, Amobarbital, Apalutamide. The full list is on the Ranolazine page.
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