Drug interactions
Ethacrynic acid + Salbutamol
Severity: Moderate
Ethacrynic acid and Salbutamol: 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
Both drugs can lower serum potassium. Combined use, especially with high-dose or nebulised salbutamol, can produce clinically significant hypokalemia and raise arrhythmia risk.
What this interaction means in plain words
Ethacrynic acid and Salbutamol 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.
Ethacrynic acid belongs to Cardiovascular; Salbutamol belongs to Respiratory.
Why it happens
Salbutamol drives potassium into cells while the loop diuretic increases renal potassium excretion, giving additive hypokalemia.
What to do
Monitor serum potassium and magnesium, particularly in patients with cardiac disease or on digoxin, and supplement as needed.
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 Salbutamol
Other interactions of Ethacrynic acid
Frequently asked questions
Can I take Ethacrynic acid with Salbutamol?
MediHelp rates the interaction as moderate. Ethacrynic acid and Salbutamol 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. Both drugs can lower serum potassium. Combined use, especially with high-dose or nebulised salbutamol, can produce clinically significant hypokalemia and raise arrhythmia risk.
How serious is the interaction between Ethacrynic acid and Salbutamol?
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, particularly in patients with cardiac disease or on digoxin, and supplement as needed.
What other medicines interact with Salbutamol?
MediHelp also lists interactions of Salbutamol with, for example, Arsenic trioxide, Carvedilol, Droperidol. The full list is on the Salbutamol page.
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