Drug interactions
Dichlorphenamide + Dobutamine
Severity: Moderate
Dichlorphenamide 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
Dichlorphenamide causes renal potassium wasting and dobutamine can shift potassium into cells, so hypokalemia may be additive. Low potassium raises the risk of ventricular arrhythmias, especially in cardiac patients.
What this interaction means in plain words
Dichlorphenamide 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.
Dichlorphenamide belongs to Miscellaneous; Dobutamine belongs to Cardiovascular.
Why it happens
Carbonic anhydrase inhibition increases urinary potassium loss while beta-2 stimulation drives intracellular potassium shift.
What to do
Check serum potassium before and during therapy and supplement to maintain normal levels. Monitor ECG in patients receiving prolonged dobutamine infusion.
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 Dichlorphenamide
Frequently asked questions
Can I take Dichlorphenamide with Dobutamine?
MediHelp rates the interaction as moderate. Dichlorphenamide 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. Dichlorphenamide causes renal potassium wasting and dobutamine can shift potassium into cells, so hypokalemia may be additive. Low potassium raises the risk of ventricular arrhythmias, especially in cardiac patients.
How serious is the interaction between Dichlorphenamide 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: Check serum potassium before and during therapy and supplement to maintain normal levels. Monitor ECG in patients receiving prolonged dobutamine infusion.
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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