Drug interactions
Cyclopenthiazide + Dobutamine
Severity: Moderate
Cyclopenthiazide 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
Cyclopenthiazide promotes renal potassium loss, and dobutamine can further lower serum potassium by shifting it into cells. Together they may cause hypokalemia and increase arrhythmia risk.
What this interaction means in plain words
Cyclopenthiazide 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.
Why it happens
Additive potassium lowering via renal excretion (thiazide) and beta-2 mediated intracellular shift (dobutamine).
What to do
Monitor serum potassium and magnesium during dobutamine infusion and correct deficits. 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 Cyclopenthiazide with Dobutamine?
MediHelp rates the interaction as moderate. Cyclopenthiazide 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. Cyclopenthiazide promotes renal potassium loss, and dobutamine can further lower serum potassium by shifting it into cells. Together they may cause hypokalemia and increase arrhythmia risk.
How serious is the interaction between Cyclopenthiazide 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 serum potassium and magnesium during dobutamine infusion and correct deficits. 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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