Drug interactions
Dopexamine + Gentamicin
Severity: Moderate
Dopexamine and Gentamicin: 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, a beta-2 agonist, can drive potassium into cells and lower serum potassium. Gentamicin can cause renal potassium and magnesium wasting. Combined, hypokalemia may be more pronounced and arrhythmia risk increases, especially in critically ill patients.
What this interaction means in plain words
Dopexamine and Gentamicin 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 mediated intracellular potassium shift combined with aminoglycoside-induced renal electrolyte wasting.
What to do
Monitor serum potassium and magnesium during co-administration and replace as needed. Use ECG monitoring 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 Gentamicin
- Cidofovir + Gentamicin Contraindicated
- Adefovir + Gentamicin Major
- Amikacin + Gentamicin Major
- Amlodipine-hydrochlorothiazide-valsartan + Gentamicin Major
- Amphotericin b deoxycholate + Gentamicin Major
- Amphotericin b + Gentamicin Major
Frequently asked questions
Can I take Dopexamine with Gentamicin?
MediHelp rates the interaction as moderate. Dopexamine and Gentamicin 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, a beta-2 agonist, can drive potassium into cells and lower serum potassium. Gentamicin can cause renal potassium and magnesium wasting. Combined, hypokalemia may be more pronounced and arrhythmia risk increases, especially in critically ill patients.
How serious is the interaction between Dopexamine and Gentamicin?
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 co-administration and replace as needed. Use ECG monitoring in patients with cardiac disease.
What other medicines interact with Gentamicin?
MediHelp also lists interactions of Gentamicin with, for example, Cidofovir, Adefovir, Amikacin. The full list is on the Gentamicin page.
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