Drug interactions
Epinephrine racemic + Sevoflurane
Severity: Moderate
Epinephrine racemic and Sevoflurane: 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
Volatile anesthetics sensitize the myocardium to catecholamines, so racemic epinephrine can precipitate ventricular arrhythmias under sevoflurane. Risk depends on dose and route, with greater concern after systemic absorption.
What this interaction means in plain words
Epinephrine racemic and Sevoflurane 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.
Why it happens
Sevoflurane lowers the arrhythmic threshold to exogenous catecholamines, enhancing the beta-adrenergic effects of epinephrine.
What to do
Use the lowest effective epinephrine dose and titrate carefully with continuous ECG monitoring. Have antiarrhythmic treatment available.
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 Sevoflurane
Frequently asked questions
Can I take Epinephrine racemic with Sevoflurane?
MediHelp rates the interaction as moderate. Epinephrine racemic and Sevoflurane 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. Volatile anesthetics sensitize the myocardium to catecholamines, so racemic epinephrine can precipitate ventricular arrhythmias under sevoflurane. Risk depends on dose and route, with greater concern after systemic absorption.
How serious is the interaction between Epinephrine racemic and Sevoflurane?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective epinephrine dose and titrate carefully with continuous ECG monitoring. Have antiarrhythmic treatment available.
What other medicines interact with Sevoflurane?
MediHelp also lists interactions of Sevoflurane with, for example, Amiodarone, Amisulpride, Arsenic trioxide. The full list is on the Sevoflurane page.
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