Drug interactions
Ethacrynic acid + Triamterene
Severity: Minor
Ethacrynic acid and Triamterene: minor 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
Ethacrynic acid is a loop diuretic that promotes potassium loss while triamterene retains potassium. Combining them can limit hypokalemia but gives additive diuresis, with risk of volume depletion and electrolyte shifts.
What this interaction means in plain words
Ethacrynic acid and Triamterene have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Ethacrynic acid belongs to Cardiovascular; Triamterene belongs to Cardiovascular.
Why it happens
Opposing renal potassium handling: loop diuretic kaliuresis versus ENaC blockade by triamterene, with additive natriuresis.
What to do
Monitor serum potassium, sodium, renal function and volume status, particularly after starting or changing doses.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Triamterene
- Amiloride + Triamterene Contraindicated
- Eplerenone + Triamterene Contraindicated
- Potassium citrate / citric acid + Triamterene Contraindicated
- Potassium citrate + Triamterene Contraindicated
- Spironolactone + Triamterene Contraindicated
- Aceclofenac + Triamterene Major
Other interactions of Ethacrynic acid
Frequently asked questions
Can I take Ethacrynic acid with Triamterene?
MediHelp rates the interaction as minor. Ethacrynic acid and Triamterene have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Ethacrynic acid is a loop diuretic that promotes potassium loss while triamterene retains potassium. Combining them can limit hypokalemia but gives additive diuresis, with risk of volume depletion and electrolyte shifts.
How serious is the interaction between Ethacrynic acid and Triamterene?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum potassium, sodium, renal function and volume status, particularly after starting or changing doses.
What other medicines interact with Triamterene?
MediHelp also lists interactions of Triamterene with, for example, Amiloride, Eplerenone, Potassium citrate / citric acid. The full list is on the Triamterene page.
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