Drug interactions
Esmolol + Lofexidine
Severity: Moderate
Esmolol 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
Lofexidine is a central alpha-2 agonist that lowers heart rate and blood pressure, and esmolol adds beta-blockade. The combination can cause excessive bradycardia, hypotension and syncope, and lofexidine can also prolong the QT interval.
What this interaction means in plain words
Esmolol 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.
Esmolol belongs to Cardiovascular; Lofexidine belongs to Central Nervous System.
Why it happens
Additive reduction of heart rate and blood pressure through central sympatholysis and beta-blockade.
What to do
Monitor heart rate, blood pressure and ECG during esmolol use in patients taking lofexidine and titrate esmolol conservatively. Hold or reduce doses for symptomatic bradycardia or hypotension.
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 Esmolol
- Acebutolol + Esmolol Major
- Amifostine + Esmolol Major
- Amiodarone + Esmolol Major
- Celiprolol + Esmolol Major
- Diltiazem + Esmolol Major
- Epinephrine racemic + Esmolol Major
Other interactions of Lofexidine
- Adagrasib + Lofexidine Major
- Alfuzosin + Lofexidine Major
- Amiodarone + Lofexidine Major
- Amisulpride + Lofexidine Major
- Anagrelide + Lofexidine Major
- Apomorphine + Lofexidine Major
Frequently asked questions
Can I take Esmolol with Lofexidine?
MediHelp rates the interaction as moderate. Esmolol 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. Lofexidine is a central alpha-2 agonist that lowers heart rate and blood pressure, and esmolol adds beta-blockade. The combination can cause excessive bradycardia, hypotension and syncope, and lofexidine can also prolong the QT interval.
How serious is the interaction between Esmolol 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: Monitor heart rate, blood pressure and ECG during esmolol use in patients taking lofexidine and titrate esmolol conservatively. Hold or reduce doses for symptomatic bradycardia or hypotension.
What other medicines interact with Esmolol?
MediHelp also lists interactions of Esmolol with, for example, Acebutolol, Amifostine, Amiodarone. The full list is on the Esmolol page.
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