Drug interactions
Potassium citrate + Triamterene
Severity: Contraindicated
Potassium citrate and Triamterene: contraindicated 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
Triamterene blocks renal potassium excretion and potassium citrate adds a potassium load, so the combination can cause dangerous hyperkalemia. Labeling for both drug types warns against this combination.
What this interaction means in plain words
Potassium citrate and Triamterene are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.
Potassium citrate belongs to Gastrointestinal Tract; Triamterene belongs to Cardiovascular.
Why it happens
Triamterene blocks epithelial sodium channels, reducing potassium excretion, while potassium citrate supplies extra potassium.
What to do
Avoid the combination; use an alternative diuretic or stone prevention approach. If it cannot be avoided, monitor serum potassium and renal function frequently.
What to ask your pharmacist
- Is there an alternative to one of these two medicines for me?
- If both are essential, who is monitoring me and how often?
- Which symptoms mean I should stop and seek help straight away?
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Other interactions of Potassium citrate
Other interactions of Triamterene
- Amiloride + Triamterene Contraindicated
- Eplerenone + Triamterene Contraindicated
- Potassium citrate / citric acid + Triamterene Contraindicated
- Spironolactone + Triamterene Contraindicated
- Aceclofenac + Triamterene Major
- Acemetacin + Triamterene Major
Frequently asked questions
Can I take Potassium citrate with Triamterene?
MediHelp rates the interaction as contraindicated. Potassium citrate and Triamterene are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Triamterene blocks renal potassium excretion and potassium citrate adds a potassium load, so the combination can cause dangerous hyperkalemia. Labeling for both drug types warns against this combination.
How serious is the interaction between Potassium citrate and Triamterene?
MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination; use an alternative diuretic or stone prevention approach. If it cannot be avoided, monitor serum potassium and renal function frequently.
What other medicines interact with Potassium citrate?
MediHelp also lists interactions of Potassium citrate with, for example, Amiloride, Amlodipine-benazepril, Amlodipine-olmesartan-hydrochlorothiazide. The full list is on the Potassium citrate page.
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