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Drug interactions

Heparin + Voclosporin

Severity: Moderate

Heparin 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 cause hyperkalemia, and heparin can reduce aldosterone secretion. Together they may further raise serum potassium, especially in patients with impaired renal function.

What this interaction means in plain words

Heparin 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.

Heparin belongs to Cardiovascular; Voclosporin belongs to Miscellaneous.

Evidence level: Moderate

Why it happens

Additive hyperkalemia: calcineurin inhibition reduces renal potassium secretion and heparin suppresses aldosterone.

What to do

Monitor serum potassium and renal function regularly during combined use. Correct hyperkalemia and review other potassium-raising drugs.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Heparin with Voclosporin?

MediHelp rates the interaction as moderate. Heparin 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 cause hyperkalemia, and heparin can reduce aldosterone secretion. Together they may further raise serum potassium, especially in patients with impaired renal function.

How serious is the interaction between Heparin 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 renal function regularly during combined use. Correct hyperkalemia and review other potassium-raising drugs.

What other medicines interact with Heparin?

MediHelp also lists interactions of Heparin with, for example, Defibrotide, Ketorolac, Oritavancin. The full list is on the Heparin page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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