Drug interactions
Dopamine + Formoterol
Severity: Moderate
Dopamine and Formoterol: 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
Dopamine has adrenergic activity at higher doses, and formoterol is a beta-2 agonist, so together they can increase heart rate and blood pressure and promote tachyarrhythmias. Hypokalemia from formoterol may add to arrhythmic risk.
What this interaction means in plain words
Dopamine and Formoterol 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; Formoterol belongs to Respiratory.
Why it happens
Additive adrenergic stimulation of cardiovascular beta receptors.
What to do
Monitor ECG, blood pressure, heart rate and serum potassium during dopamine infusion in patients using formoterol. Titrate dopamine to the lowest effective dose.
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 Formoterol
- Adagrasib + Formoterol Major
- Amiodarone + Formoterol Major
- Amisulpride + Formoterol Major
- Amitriptyline + Formoterol Major
- Amoxapine + Formoterol Major
- Arformoterol + Formoterol Major
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 Formoterol?
MediHelp rates the interaction as moderate. Dopamine and Formoterol 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 has adrenergic activity at higher doses, and formoterol is a beta-2 agonist, so together they can increase heart rate and blood pressure and promote tachyarrhythmias. Hypokalemia from formoterol may add to arrhythmic risk.
How serious is the interaction between Dopamine and Formoterol?
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, blood pressure, heart rate and serum potassium during dopamine infusion in patients using formoterol. Titrate dopamine to the lowest effective dose.
What other medicines interact with Formoterol?
MediHelp also lists interactions of Formoterol with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Formoterol page.
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