Drug interactions
Fenoprofen + Potassium acid
Severity: Moderate
Fenoprofen and Potassium acid: 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
NSAIDs can reduce renal potassium excretion by suppressing renin and aldosterone via prostaglandin inhibition. Combined with potassium phosphate supplementation, this may lead to hyperkalemia, especially with renal impairment.
What this interaction means in plain words
Fenoprofen and Potassium acid 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
NSAID-induced hyporeninemic hypoaldosteronism reduces potassium excretion, adding to the supplemental potassium load.
What to do
Monitor serum potassium and renal function, especially in patients with CKD, diabetes or those taking ACE inhibitors. Adjust the potassium dose 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 Fenoprofen
- Fenoprofen + Ketorolac Contraindicated
- Fenoprofen + Ketorolac intranasal Contraindicated
- Aceclofenac + Fenoprofen Major
- Acemetacin + Fenoprofen Major
- Acetylsalicylic acid + Fenoprofen Major
- Alteplase + Fenoprofen Major
Frequently asked questions
Can I take Fenoprofen with Potassium acid?
MediHelp rates the interaction as moderate. Fenoprofen and Potassium acid 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. NSAIDs can reduce renal potassium excretion by suppressing renin and aldosterone via prostaglandin inhibition. Combined with potassium phosphate supplementation, this may lead to hyperkalemia, especially with renal impairment.
How serious is the interaction between Fenoprofen and Potassium acid?
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, especially in patients with CKD, diabetes or those taking ACE inhibitors. Adjust the potassium dose as needed.
What other medicines interact with Fenoprofen?
MediHelp also lists interactions of Fenoprofen with, for example, Ketorolac, Ketorolac intranasal, Aceclofenac. The full list is on the Fenoprofen page.
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