Drug interactions
Dobutamine + Methyclothiazide
Severity: Moderate
Dobutamine and Methyclothiazide: 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
Thiazide diuretics cause renal potassium and magnesium loss. Dobutamine further shifts potassium into cells, raising the risk of hypokalemia and ventricular arrhythmias.
What this interaction means in plain words
Dobutamine and Methyclothiazide 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 hypokalemia from renal potassium wasting and beta-2 mediated cellular uptake.
What to do
Monitor serum potassium and magnesium and replace deficits during dobutamine therapy. Monitor the ECG in patients with cardiac 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
Frequently asked questions
Can I take Dobutamine with Methyclothiazide?
MediHelp rates the interaction as moderate. Dobutamine and Methyclothiazide 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. Thiazide diuretics cause renal potassium and magnesium loss. Dobutamine further shifts potassium into cells, raising the risk of hypokalemia and ventricular arrhythmias.
How serious is the interaction between Dobutamine and Methyclothiazide?
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 and replace deficits during dobutamine therapy. Monitor the ECG in patients with cardiac 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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