Drug interactions
Dopamine + Isoproterenol
Severity: Moderate
Dopamine 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 stimulate beta-adrenergic receptors, so together they can cause pronounced tachycardia and increased myocardial oxygen demand. Ventricular arrhythmias and ischemia are possible, particularly in patients with heart disease.
What this interaction means in plain words
Dopamine 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.
Dopamine belongs to Cardiovascular; Isoproterenol belongs to Respiratory.
Why it happens
Additive beta-adrenergic agonist effects on the heart.
What to do
Monitor ECG, heart rate and blood pressure continuously and reduce the dose of one or both agents if arrhythmia or marked tachycardia develops.
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 Dopamine
- Dihydroergotamine intranasal + Dopamine Contraindicated
- Dihydroergotamine + Dopamine Contraindicated
- Dopamine + Promethazine Contraindicated
- Dopamine + Selegiline transdermal Contraindicated
- Amitriptyline + Dopamine Major
- Clomipramine + Dopamine Major
Other interactions of Isoproterenol
Frequently asked questions
Can I take Dopamine with Isoproterenol?
MediHelp rates the interaction as moderate. Dopamine 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 stimulate beta-adrenergic receptors, so together they can cause pronounced tachycardia and increased myocardial oxygen demand. Ventricular arrhythmias and ischemia are possible, particularly in patients with heart disease.
How serious is the interaction between Dopamine 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: Monitor ECG, heart rate and blood pressure continuously and reduce the dose of one or both agents if arrhythmia or marked tachycardia develops.
What other medicines interact with Dopamine?
MediHelp also lists interactions of Dopamine with, for example, Dihydroergotamine intranasal, Dihydroergotamine, Promethazine. The full list is on the Dopamine page.
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