Drug interactions
Dopamine + Norepinephrine
Severity: Moderate
Dopamine and Norepinephrine: 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 are catecholamine vasopressors, and they are often combined deliberately in shock. Together they can produce excess vasoconstriction, hypertension, tachycardia and arrhythmias.
What this interaction means in plain words
Dopamine and Norepinephrine 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 alpha and beta adrenergic receptor stimulation.
What to do
Titrate both infusions to a target mean arterial pressure with continuous ECG and blood pressure monitoring. Watch for peripheral and mesenteric ischemia.
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
Frequently asked questions
Can I take Dopamine with Norepinephrine?
MediHelp rates the interaction as moderate. Dopamine and Norepinephrine 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 are catecholamine vasopressors, and they are often combined deliberately in shock. Together they can produce excess vasoconstriction, hypertension, tachycardia and arrhythmias.
How serious is the interaction between Dopamine and Norepinephrine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Titrate both infusions to a target mean arterial pressure with continuous ECG and blood pressure monitoring. Watch for peripheral and mesenteric ischemia.
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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