Drug interactions
Dobutamine + Ethacrynic acid
Severity: Moderate
Dobutamine and Ethacrynic acid: 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
Ethacrynic acid is a loop diuretic that causes urinary potassium and magnesium loss. Dobutamine adds to this by driving potassium into cells through beta-2 stimulation, increasing the risk of hypokalemia and arrhythmias.
What this interaction means in plain words
Dobutamine and Ethacrynic acid 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; Ethacrynic acid belongs to Cardiovascular.
Why it happens
Additive hypokalemia from renal potassium wasting and beta-2 mediated cellular potassium uptake.
What to do
Monitor serum potassium and magnesium regularly and replace deficits. Monitor the ECG in patients with heart disease.
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 Ethacrynic acid
Frequently asked questions
Can I take Dobutamine with Ethacrynic acid?
MediHelp rates the interaction as moderate. Dobutamine and Ethacrynic acid 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. Ethacrynic acid is a loop diuretic that causes urinary potassium and magnesium loss. Dobutamine adds to this by driving potassium into cells through beta-2 stimulation, increasing the risk of hypokalemia and arrhythmias.
How serious is the interaction between Dobutamine and Ethacrynic acid?
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 serum potassium and magnesium regularly and replace deficits. Monitor the ECG in patients with heart disease.
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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