Drug interactions
Potassium citrate + Voclosporin
Severity: Moderate
Potassium citrate and Voclosporin: 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
Voclosporin, a calcineurin inhibitor, can raise serum potassium by impairing renal tubular potassium excretion. Adding potassium citrate increases potassium intake and may result in hyperkalemia, particularly when renal function is reduced.
What this interaction means in plain words
Potassium citrate and Voclosporin 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; Voclosporin belongs to Miscellaneous.
Why it happens
Calcineurin inhibition reduces distal tubular potassium secretion and aldosterone-related effects, which adds to the exogenous potassium load.
What to do
Monitor serum potassium and eGFR regularly, especially after dose changes of either drug. Lower or stop potassium citrate if hyperkalemia develops.
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 Voclosporin
- Clarithromycin + Voclosporin Contraindicated
- Cyclosporin + Voclosporin Contraindicated
- Ensitrelvir + Voclosporin Contraindicated
- Itraconazole + Voclosporin Contraindicated
- Ketoconazole + Voclosporin Contraindicated
- Posaconazole + Voclosporin Contraindicated
Frequently asked questions
Can I take Potassium citrate with Voclosporin?
MediHelp rates the interaction as moderate. Potassium citrate and Voclosporin 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. Voclosporin, a calcineurin inhibitor, can raise serum potassium by impairing renal tubular potassium excretion. Adding potassium citrate increases potassium intake and may result in hyperkalemia, particularly when renal function is reduced.
How serious is the interaction between Potassium citrate and Voclosporin?
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 eGFR regularly, especially after dose changes of either drug. Lower or stop potassium citrate if hyperkalemia develops.
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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