Drug interactions
Dopexamine + Hydrochlorothiazide
Severity: Moderate
Dopexamine and Hydrochlorothiazide: 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
Dopexamine is a beta-2 agonist that can shift potassium into cells. With thiazide-induced renal potassium loss, hypokalemia may be more pronounced in acutely ill patients, increasing arrhythmia risk.
What this interaction means in plain words
Dopexamine and Hydrochlorothiazide 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
Beta-2 adrenergic stimulation drives intracellular potassium uptake, adding to thiazide kaliuresis.
What to do
Monitor serum potassium during dopexamine infusion and replace potassium to maintain normal levels.
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 Hydrochlorothiazide
Frequently asked questions
Can I take Dopexamine with Hydrochlorothiazide?
MediHelp rates the interaction as moderate. Dopexamine and Hydrochlorothiazide 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. Dopexamine is a beta-2 agonist that can shift potassium into cells. With thiazide-induced renal potassium loss, hypokalemia may be more pronounced in acutely ill patients, increasing arrhythmia risk.
How serious is the interaction between Dopexamine and Hydrochlorothiazide?
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 during dopexamine infusion and replace potassium to maintain normal levels.
What other medicines interact with Hydrochlorothiazide?
MediHelp also lists interactions of Hydrochlorothiazide with, for example, Dofetilide, Amifostine, Amiodarone. The full list is on the Hydrochlorothiazide page.
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