Drug interactions
Dobutamine + Isoproterenol
Severity: Moderate
Dobutamine and Isoproterenol: 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 are beta-adrenergic agonists and their combination gives additive chronotropic and inotropic effects. This raises the risk of tachycardia, arrhythmias, myocardial ischemia and hypokalemia.
What this interaction means in plain words
Dobutamine and Isoproterenol 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.
Dobutamine belongs to Cardiovascular; Isoproterenol belongs to Respiratory.
Why it happens
Additive beta-1 and beta-2 adrenergic receptor stimulation.
What to do
Avoid routine co-infusion where possible; if needed, monitor ECG, blood pressure and serum potassium and titrate doses carefully.
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 Dobutamine
Other interactions of Isoproterenol
Frequently asked questions
Can I take Dobutamine with Isoproterenol?
MediHelp rates the interaction as moderate. Dobutamine and Isoproterenol 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 are beta-adrenergic agonists and their combination gives additive chronotropic and inotropic effects. This raises the risk of tachycardia, arrhythmias, myocardial ischemia and hypokalemia.
How serious is the interaction between Dobutamine and Isoproterenol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid routine co-infusion where possible; if needed, monitor ECG, blood pressure and serum potassium and titrate doses carefully.
What other medicines interact with Dobutamine?
MediHelp also lists interactions of Dobutamine with, for example, Budesonide-formoterol, Dihydroergotamine intranasal, Dihydroergotamine. The full list is on the Dobutamine page.
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