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Drug interactions

Lesinurad + Sulfadiazine

Severity: Minor

Lesinurad and Sulfadiazine: minor 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

Sulfadiazine may inhibit CYP2C9 and modestly raise lesinurad levels. Sulfadiazine itself can cause crystalluria and renal effects, which add to renal risk.

What this interaction means in plain words

Lesinurad and Sulfadiazine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

Sulfadiazine inhibits CYP2C9-mediated metabolism of lesinurad.

What to do

Monitor renal function and maintain good hydration. Reduce or stop lesinurad if renal function declines.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Lesinurad with Sulfadiazine?

MediHelp rates the interaction as minor. Lesinurad and Sulfadiazine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Sulfadiazine may inhibit CYP2C9 and modestly raise lesinurad levels. Sulfadiazine itself can cause crystalluria and renal effects, which add to renal risk.

How serious is the interaction between Lesinurad and Sulfadiazine?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor renal function and maintain good hydration. Reduce or stop lesinurad if renal function declines.

What other medicines interact with Lesinurad?

MediHelp also lists interactions of Lesinurad with, for example, Norethisterone, Acetylsalicylic acid, Amiodarone. The full list is on the Lesinurad page.

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