Drug interactions
Dolasetron + Epinephrine racemic
Severity: Moderate
Dolasetron and Epinephrine racemic: 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 agents can affect cardiac repolarization and rhythm, and epinephrine adds sympathomimetic arrhythmogenic stimulation. Together they may raise the risk of QT prolongation and ventricular arrhythmias, particularly with electrolyte disturbances or heart disease.
What this interaction means in plain words
Dolasetron and Epinephrine racemic 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
Additive pharmacodynamic effects on cardiac repolarization and arrhythmogenic potential.
What to do
Obtain a baseline ECG and correct potassium and magnesium before use. Monitor ECG and heart rhythm if both are required, especially with systemic epinephrine.
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 Dolasetron
- Apomorphine + Dolasetron Contraindicated
- Dofetilide + Dolasetron Contraindicated
- Dolasetron + Ibutilide Contraindicated
- Dolasetron + Pimozide Contraindicated
- Dolasetron + Thioridazine Contraindicated
- Dolasetron + Vandetanib Contraindicated
Frequently asked questions
Can I take Dolasetron with Epinephrine racemic?
MediHelp rates the interaction as moderate. Dolasetron and Epinephrine racemic 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 agents can affect cardiac repolarization and rhythm, and epinephrine adds sympathomimetic arrhythmogenic stimulation. Together they may raise the risk of QT prolongation and ventricular arrhythmias, particularly with electrolyte disturbances or heart disease.
How serious is the interaction between Dolasetron and Epinephrine racemic?
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 use. Monitor ECG and heart rhythm if both are required, especially with systemic epinephrine.
What other medicines interact with Dolasetron?
MediHelp also lists interactions of Dolasetron with, for example, Apomorphine, Dofetilide, Ibutilide. The full list is on the Dolasetron page.
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