Drug interactions
Eliglustat + Lofexidine
Severity: Moderate
Eliglustat and Lofexidine: 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
Eliglustat can prolong PR, QRS and QT intervals at higher exposures, and lofexidine also prolongs QT and slows heart rate. The combination may raise the risk of ventricular arrhythmia.
What this interaction means in plain words
Eliglustat and Lofexidine 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.
Eliglustat belongs to Miscellaneous; Lofexidine belongs to Central Nervous System.
Why it happens
Additive QT prolongation and cardiac conduction effects.
What to do
Obtain a baseline ECG and monitor QTc and heart rate during co-therapy. Correct electrolyte abnormalities and avoid adding other QT-prolonging drugs.
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 Lofexidine
- Adagrasib + Lofexidine Major
- Alfuzosin + Lofexidine Major
- Amiodarone + Lofexidine Major
- Amisulpride + Lofexidine Major
- Anagrelide + Lofexidine Major
- Apomorphine + Lofexidine Major
Other interactions of Eliglustat
- Amiodarone + Eliglustat Contraindicated
- Clarithromycin + Eliglustat Contraindicated
- Dronedarone + Eliglustat Contraindicated
- Eliglustat + Itraconazole Contraindicated
- Eliglustat + Ketoconazole Contraindicated
- Eliglustat + Pimozide Contraindicated
Frequently asked questions
Can I take Eliglustat with Lofexidine?
MediHelp rates the interaction as moderate. Eliglustat and Lofexidine 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. Eliglustat can prolong PR, QRS and QT intervals at higher exposures, and lofexidine also prolongs QT and slows heart rate. The combination may raise the risk of ventricular arrhythmia.
How serious is the interaction between Eliglustat and Lofexidine?
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 monitor QTc and heart rate during co-therapy. Correct electrolyte abnormalities and avoid adding other QT-prolonging drugs.
What other medicines interact with Lofexidine?
MediHelp also lists interactions of Lofexidine with, for example, Adagrasib, Alfuzosin, Amiodarone. The full list is on the Lofexidine page.
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