Drug interactions
Furosemide + Potassium acid
Severity: Moderate
Furosemide 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
Furosemide causes renal potassium loss, and potassium phosphate supplementation is often used to offset this. Over-replacement may lead to hyperkalemia, particularly in renal impairment.
What this interaction means in plain words
Furosemide 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
Opposing effects on serum potassium: loop diuretic kaliuresis versus potassium load.
What to do
Monitor serum potassium and renal function, and titrate the potassium dose to the measured level.
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 Furosemide
- Amifostine + Furosemide Major
- Amikacin + Furosemide Major
- Carbenoxolone + Furosemide Major
- Cephaloridine + Furosemide Major
- Cisplatin + Furosemide Major
- Digoxin + Furosemide Major
Frequently asked questions
Can I take Furosemide with Potassium acid?
MediHelp rates the interaction as moderate. Furosemide 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. Furosemide causes renal potassium loss, and potassium phosphate supplementation is often used to offset this. Over-replacement may lead to hyperkalemia, particularly in renal impairment.
How serious is the interaction between Furosemide 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, and titrate the potassium dose to the measured level.
What other medicines interact with Furosemide?
MediHelp also lists interactions of Furosemide with, for example, Amifostine, Amikacin, Carbenoxolone. The full list is on the Furosemide page.
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