Drug interactions
Arformoterol + Dobutamine
Severity: Moderate
Arformoterol and Dobutamine: 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
Arformoterol is a long-acting beta-2 agonist, and with dobutamine it can produce additive tachycardia, arrhythmia and blood pressure effects. Both agents may also lower serum potassium, increasing arrhythmia risk.
What this interaction means in plain words
Arformoterol and Dobutamine 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.
Arformoterol belongs to Respiratory; Dobutamine belongs to Cardiovascular.
Why it happens
Additive beta-adrenergic stimulation, including beta-2 mediated intracellular potassium shift.
What to do
Monitor heart rate, ECG and serum potassium during dobutamine infusion, and correct hypokalemia promptly. Reduce the dobutamine rate if tachyarrhythmia 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 Dobutamine
Other interactions of Arformoterol
Frequently asked questions
Can I take Arformoterol with Dobutamine?
MediHelp rates the interaction as moderate. Arformoterol and Dobutamine 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. Arformoterol is a long-acting beta-2 agonist, and with dobutamine it can produce additive tachycardia, arrhythmia and blood pressure effects. Both agents may also lower serum potassium, increasing arrhythmia risk.
How serious is the interaction between Arformoterol and Dobutamine?
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 heart rate, ECG and serum potassium during dobutamine infusion, and correct hypokalemia promptly. Reduce the dobutamine rate if tachyarrhythmia develops.
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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