Drug interactions
Potassium citrate + Tolmetin
Severity: Moderate
Potassium citrate and Tolmetin: 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
Tolmetin, like other NSAIDs, can impair renal potassium excretion and cause hyperkalemia. Potassium citrate increases the risk, especially with renal impairment.
What this interaction means in plain words
Potassium citrate and Tolmetin 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.
Potassium citrate belongs to Gastrointestinal Tract; Tolmetin belongs to Musculoskeletal.
Why it happens
NSAID prostaglandin inhibition reduces renin-aldosterone activity and renal perfusion, decreasing potassium excretion.
What to do
Monitor serum potassium and renal function. Lower the potassium dose or stop the NSAID if potassium rises.
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 Potassium citrate
Other interactions of Tolmetin
- Ketorolac intranasal + Tolmetin Contraindicated
- Ketorolac + Tolmetin Contraindicated
- Aceclofenac + Tolmetin Major
- Acemetacin + Tolmetin Major
- Alteplase + Tolmetin Major
- Amlodipine-hydrochlorothiazide-valsartan + Tolmetin Major
Frequently asked questions
Can I take Potassium citrate with Tolmetin?
MediHelp rates the interaction as moderate. Potassium citrate and Tolmetin 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. Tolmetin, like other NSAIDs, can impair renal potassium excretion and cause hyperkalemia. Potassium citrate increases the risk, especially with renal impairment.
How serious is the interaction between Potassium citrate and Tolmetin?
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 renal function. Lower the potassium dose or stop the NSAID if potassium rises.
What other medicines interact with Potassium citrate?
MediHelp also lists interactions of Potassium citrate with, for example, Triamterene, Amiloride, Amlodipine-benazepril. The full list is on the Potassium citrate page.
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